Question

$(3x + 2y) {?}^{2}$
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Answer 1

Step-by-step explanation:

$= {(3x + 2y)}^{2} \\ \\ = {( 3x)}^{2} + 2 \times 3x \times 2y + {(2y) }^{2} \\ \\ = 9 {x}^{2} + 12xy + 4 {y}^{2}$