Question

(3x+2y+7)square


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Answer 1

Answer:

(3x) sq + (2y) sq + 7sq + 2 (3x) (2y) (7) + 2 (3x) (7)

= 9x sq + 4y sq + 49 + 12xy + 28y + 42x

Answer 2

Answer:

$9x {}^{2} + 4y {}^{2} + 49 + 12xy + 28y + 42x$