Question

calcule a) (3a² - b)² b) (5p - 3q⁴)²​

Answer 1

Resposta:

25p² -30pq⁴+9q⁸

Explicação passo-a-passo:

Answer 2

Explicação passo-a-passo:

a) $\sf (3a^2-b)^2=(3a^2)^2-2\cdot3a^2\cdot b+b^2$

$\sf (3a^2-b)^2=9a^4-6a^2b+b^2$

b) $\sf (5p-3q^4)^2=(5p)^2-2\cdot5p\cdot3q^4+(3q^4)^2$

$\sf (5p-3q^4)^2=25p^2-30pq^4+9q^8$