Question

me ajude pfv (7b^5-b²)²​

Answer 1

Resposta:

49b`10 -14b`7 +b`4

Explicação passo-a-passo:

(7b^5-b²)²=(7b^5-b²). (7b^5-b²)

(7b^5-b²)²=(7b`5)²+2.(7b`5).(-b²)+(-b²)²

(7b^5-b²)²=49b`10 -14b`7 +b`4

Answer 2

Resposta:

$(7b {}^{5} - b {}^{2} ) {}^{2} \\ (7b {}^{5} ) {}^{2} - 2.7b {}^{5} \times {b}^{2} + ( {b}^{2} ) {}^{2} \\ 49b {}^{10} - 14b {}^{7} + b {}^{4}$