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swissgirl Group TitleBest ResponseYou've already chosen the best response.1
(9a+10)(9a10) Its difference of squares
 one year ago

razor99 Group TitleBest ResponseYou've already chosen the best response.0
@swissgirl
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
so you got it?
 one year ago

razor99 Group TitleBest ResponseYou've already chosen the best response.0
could u tell me the steps
 one year ago

razor99 Group TitleBest ResponseYou've already chosen the best response.0
i mean could u show it
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
I realized that we were missing the middle term Usually the equation is in the form \(ax^2+bx+c\) In this case the equation was in this form \(ax^2+c\) it was missing the bx So that means its difference of squares meaning that middle term canceled out
 one year ago

razor99 Group TitleBest ResponseYou've already chosen the best response.0
oh i get it thanx pippa u are a life saver
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
I am back should i finish off explaining or did u get it?
 one year ago

razor99 Group TitleBest ResponseYou've already chosen the best response.0
could u finish it
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
So anyways it is in the form \(a^2b^2=(ab)(a+b)\) \(81x^2100=(9x10)(9x+10)\) In this case our a=9x and b=10 So \(a^2=(9x)^2=81x^2 \text{ and } b^2=(10)^2=100\)
 one year ago
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