Respuesta:
(3p+7q)²
=(3p+7q)(3p+7q)
=(3p)(3p)+(3p)(7q)+(7q)(3p)+(7q)(7q)
=9p²+21pq+21pq+49q²
=9p²+42pq+49q²
Explicación paso a paso:
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Respuesta:
(3p+7q)²
=(3p+7q)(3p+7q)
=(3p)(3p)+(3p)(7q)+(7q)(3p)+(7q)(7q)
=9p²+21pq+21pq+49q²
=9p²+42pq+49q²
Explicación paso a paso: