Question

Subtract
$p{}^{2} - 2pq + q {}^{2} from \: p {}^{2} + 2pq - q {}^{2}$
$6x {}^{3} - 8x {}^{2} + 4x - 2 from \: 5 - 4x + 6x {}^{2} - 8x {}^{3}$
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Answer 1

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