Question

FACTORIZATION 1)x2+4x+4. 2)a2+10ab+25b2

Answer 1

1. x×2 + 2×2×x + 2×2
= 2(x+2x+2)

Answer 2

$x ^{2} + 4x + 4 \\ =x ^{2} + 2x + 2x + 4 \\ = x (x + 2) + 2(x + 2) \\ = (x + 2)(x + 2)$
$a ^{2} + 10ab + 25b ^{2} \\ = a ^{2} + 2 \times a \times 5b + (5b) ^{2} \\ = (a +5b )( a+5b )$
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