Question

$4(3x + 7y) {}^{2} - 6(3x + 7y)$
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Answer 1

Answer:

36x² + 168xy + 196y² + - 18x - 42y

Step-by-step explanation:

Distribute:

=36x² + 168xy + 196y² + (-6)(3x) + (-6)(7y)

=36x² + 168xy + 196y² + - 18x + - 42y

Answer:

=36x² + 168xy + 196y² -18x - 42y

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