Question

упростите выражение {-2аb}^3*{3a}^2*{b}^4

Answer 1

{-2аb}^3*{3a}^2*{b}^4 =
= {-2}^3*{а}^3*{b}^3*{3}^2*{a}^2*{b}^4=
=-8*9 a^(3+2) * b^(3+4) =
= -72 *a^5 *b^7

Answer 2

(-2ab)^3 * (3а)^2 * b^4 = -8a^3b^3 * 9a^2 * b^4 = -72a^5b^7