Multiply (p-q) (p²+pq+q²)

asked May 13, 2022 185k views

5 votes

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2 votes

$\\ \sf\longmapsto (p-q)(p^2+pq+q^2$

$\\ \sf\longmapsto p(p^2+pq+q^2)-q(p^2+pq+q^2)$

$\\ \sf\longmapsto p^3+p^2q+pq^2-p^2q-pq^2-q^3$

$\\ \sf\longmapsto p^3-q^3$

Gnobal answered May 19, 2022

4.0k points

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