Question

Efetue as multiplicacoes:
$x(x {}^{2} - 2x + 1) \\ xy(5x + 6) \\ (x + 2)(x + 3)$

Answer 1

Vamos lá ..

x (x^2 - 2x + 1 ) = x^3 - 2x^2 + x

xy (5x + 6) = 5x^2y + 6xy

(x + 2)(x + 3) = x^2 + 3x + 2x + 6 = x^2 + 5x + 6

Espero ter ajudado !!!