Answers

2014-08-13T18:55:40+08:00
(x+7)(x+7)=3x

 x^{2} +7x+7x+49=3x
x^2+14x+49=3x
x^2+14x-3x+49=0
x^2+11x+49=0---------- this is the answer
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2014-08-13T19:40:13+08:00
Given : (x+7)(x+7) = 3x
standard form : x²+11x+49=0

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