please solve it right please
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2
Answer:
9x^2 + 42xy + 49y^2
= (3x)^2 + 2×3x×7y + (7y)^2
= (3x + 7y)^2
= (3x + 7y)(3x+7y).
Answered by
19
Answer:
(3x)²+2(3x)(7y)+(7y)²
(3x+7y)²
(3x+7y)(3x+7y)
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