Question

Решите Пжпжпжжпжпжпажпжпжп

Answer 1

x(2x-1)-3x(3-x)

x(2x-1-3(3-x))

x(2x-1-9+3x)

x(5x-10)

5x(x-2)

5×(-2)×(-2-2)=5×(-2)×(-4)=40