Question

produtos notaveis (10x²-ab)²com responder?

Answer 1

(10 x² - ab)²
(10 x² - ab) (10x² - ab)
100x elevado a 4 - 10abx² - 10abx² + a²b²
100x elevado a 4 - 20abx² + a²b²

Answer 2

$(10x^2-ab)^2=(10x^2-ab)(10x^2-ab)=(10x^2)^2-10x^2ab-10x^2ab+(ab)^2$

$(10^2-ab)^2=\boxed{100x^4-20x^2ab+a^2b^2}$