2x^2+12x+k
k>0
Find all values of "k" so that the trinomial can be factored as two binomials using integers? show work.

- anonymous

- chestercat

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- anonymous

ok break up 12 into as many sums as u can

- anonymous

0+12 1+11 2+10 and so on

- amistre64

1,12;2,6;3,4

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## More answers

- amistre64

ack!!...wrong thought lol

- amistre64

x+y = 12 looks like the equation of a line...

- anonymous

suppose ur pair is a+b, then if ab is even, u can evaluate k=ab/2

- anonymous

get it

- anonymous

no not really

- anonymous

just break up 12 into pairs of sums

- anonymous

like 0 + 12
1+11
2+10 and so on

- anonymous

and then multiply the 2 terms in each of the pairs and divide them by 2 to get k

- anonymous

i still dont get it.....

- anonymous

c wat do u do while factoring a quadratic eqn like this

- anonymous

lets say its x^2 + 5x +6

- anonymous

we dont use the quadratic equation at all until my junior year im only a freshmen

- anonymous

hey this is called a quadratic equation..u just dunno the name

- anonymous

my teacher doesnt want us useing quadratic equation to solve these

- anonymous

so when u factor this expression out...u first multiply the c oefficient of the first term with the third

- anonymous

u just lisn 2 me..were not using em

- anonymous

i am listening sorry im confused

- anonymous

no prob..

- anonymous

when u factor this expression out...u first multiply the c oefficient of the first term with the third..and then u break the middle term into a sum, for eg
if its x^2 + 5x + 6
the product is 1x6=6
so we break 5x into 2x + 3x, see 2.3 is 6 the same as 1.6 , dont we do that?

- anonymous

u get it??like i did so many yesterday

- anonymous

no i dont get it

- anonymous

then m really sorry..i dont know how tto explain it..it really breaks my heart..bt ill giv u some advice

- anonymous

try doing the factoring out questions urself...like i did ystrde..ul learn a lot..try noticing how ur factoring..

- anonymous

i dont even know how to start htem so kinda hard to do something when your teacher that gets paid to teach doesnt teach at all

- anonymous

shall i teach u?

- anonymous

frm d start?

- anonymous

you dont know any other way to explain this and im still confused

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