Question

Упростите выражение .
5ху^3 (-2х^у)^4
(2х-1)(2х+1)-(2х-1)^2

Answer 1

5xy³ (-2xy)⁴=5xy³ (-2)⁴ x⁴y⁴ = 5*16 x⁵ y⁷ =80 x⁵ y⁷

(2x-1)(2x+1) - (2x-1)² = (2x-1) (2x+1 - (2x-1))=(2x-1)(2x+1-2x+1)=2(2x-1)=4x-2