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earslan100 Group TitleBest ResponseYou've already chosen the best response.0
what times what equals 24 and those same numbers have to add upto 10
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
12 and 2 right?
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
\[x^2+10x=(x+5)^225\] Do you understand this?
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
no 4 and 6 when u multiply its 24 not 24
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
srry it has to multiply to 24
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
... or we could actually help him with the mechanics of the question
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
so the answer is (x2)(x+10)
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
if you multiply using foils u can see it equals the question
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
Really, that's not completing the square.
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
http://en.wikipedia.org/wiki/Completing_the_square Needs to be in the form (x+k)^2=c
 2 years ago

earslan100 Group TitleBest ResponseYou've already chosen the best response.0
ur right srry
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
Okay, @lizzy87 , do you understand why\[x^2+10x=(x+5)^225\]?
 2 years ago

lizzy87 Group TitleBest ResponseYou've already chosen the best response.0
how didi you get the 5?
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
dw:1346521462011:dw Because 2x5=10
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
dw:1346521508364:dw
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
And if you take away 25 and cancel the 2 5x's into one 10x, that happens.
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
dw:1346521563679:dw
 2 years ago

lizzy87 Group TitleBest ResponseYou've already chosen the best response.0
oh ok see how you got that thanks
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
\[x^2+10x=24\] \[x^2+10x=(x+5)^225\] Therefore\[24=(x+5)^225\] and\[49=(x+5)^2\]
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
1 Did you understand that 2 What do you think we could do now to simplify?
 2 years ago

henpen Group TitleBest ResponseYou've already chosen the best response.1
\[\pm \sqrt{49}=x+5\]
 2 years ago
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