plzzzzzzz answer...................
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Answer:
X2+7x+7x+49 solve it then
9x-24x+3x-8 solve it then pls mark brain list sis
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QUESTION
(x+7)(x+7)
ANSWER
(x+7)(x+7)
=(x+3)²
USE (a+b)²=a²+2ab+b²
a=x; b=7
(x+7)²=x²+2(x)(7)+7²
=x²+14x+14
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