Question

помогите а)3x*2y б) -x*(-4y) в)5a*3y г) -x*(-y) д)-4x*(-2y)*(-c)

Answer 1

Объяснение:

$3x \times 2y = 6xy \\ - x \times ( - 4y) = 4xy \\ 5a \times 3y = 15ay \\ - x \times ( - y) = xy \\ - 4x \times ( - 2y) \times ( - c) = - 8xyc$