Question

Wykonaj mnożenie
-5x(x + 2y)=
½(x + 7y - 3z)=
(2x + 3)(3x - 2)=
Daje naj

Answer 1

-5x(x+ 2y)= -5x^2 - 10y
1/2(x+7y-3z)= 1/2x + 3,5y - 1,5z
(2x + 3)(3x - 2)= 6x^2 - 4x + 9x - 6= 6x^2 + 5x - 6