hal_stirrup
factor out this> x^4 25
explain the answer if you could plz. thanks



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telliott99
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difference of squares
a^2  b^2 = (a + b)(a  b)

hal_stirrup
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thanks . solve it plz

telliott99
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Oh, I think you can do sqrt(x^4), and sqrt(25)

ParthKohli
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@hal_stirrup Did you understand?

ParthKohli
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Can you tell what \(\sqrt{25}\) and \(\sqrt{x^4}\) are?

best.shakir
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dw:1343912368667:dw

best.shakir
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1 min i will explain

ayushprasad
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Find the square root of x^4 and 25 = x^2 and 5
Difference of squares: (a+b)(ab)
(x^25)(x^2+5)

ayushprasad
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You can use FOIL to expand it back out and you will get x^425

hal_stirrup
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thanks .

koli123able
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then either at x^2=5 or x^2=5

koli123able
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sorry it will be x^2=5 or x^2=5

koli123able
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on squaring in x^2=5 the value of x will be 25

koli123able
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and on squaring x^2=5 the value of x will be the same 25

hal_stirrup
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thanks @koli123able.

hal_stirrup
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how did you get to x^2=5 or x^2=5 explain plz. thanks

koli123able
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yes can i help you

koli123able
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ANYONE THERE

hal_stirrup
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yes

hal_stirrup
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please take it from the top.

koli123able
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x^425

koli123able
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sorry i type too wrong

koli123able
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(x)^2  (5)^2

koli123able
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opening it by formula (a  b)^2

hal_stirrup
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you squared it!

koli123able
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(x5)^2

koli123able
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take 2 power common

hal_stirrup
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sure

koli123able
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dw:1343914819831:dw

koli123able
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now

koli123able
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dw:1343914855995:dw

koli123able
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ohhhhh my gooodddddd i am doing it wrong

koli123able
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sorry from the top

hal_stirrup
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take you time :)

koli123able
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dw:1343914919685:dw

koli123able
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did u get it till here

hal_stirrup
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yes. thanks

koli123able
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now u can solve it further but this answer is absoluteley right

hal_stirrup
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so what about "x^2=5 or x^2=5 "

koli123able
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dw:1343915068883:dw

koli123able
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suppose it as an equation in some parts of world they solve it by this too

hal_stirrup
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but this is am expression!! dose that last bit matter?

koli123able
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dw:1343915159215:dw

hal_stirrup
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bless you . your so helpful . dw:1343915234400:dw

koli123able
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the whole asked to factorize the result is at the top but if someone says factorize and get the values of variable then u need to get a bit further

koli123able
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dw:1343915283974:dw

koli123able
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dw:1343915322903:dw

hal_stirrup
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i see . so an an equation i need to finde the vales of x in this case!!! right

koli123able
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Thus, the Solution Set is {25,25}

koli123able
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right

koli123able
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bye

koli123able
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are u on facebook


koli123able
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lets be friends

hal_stirrup
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thanks. no i dont really use face book that much. but i will send you request.

koli123able
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ok

hal_stirrup
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cool