( x + 7 ) ( x + 7 )
Answers
Answered by
0
Step-by-step explanation:
(x+7)(x+7)
=(x+7)^2
=(x)^2+2×x×7+(7)^2
=x^2+14x+49
Answered by
8
(a+b)²
a²+b²+2ab
x²+7²+2×x×7
x²+49+2x×7
x²+51x×7
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