1. Multiply 4(x3 - 2x + 4)
A. 4x3 + 2x + 8
B. 4x3 - 8x + 16
C. 4x3 - 2x + 4
2. Multiply -2x(3x2 + x - 5)
A. -6x2 - 2x + 10
B. -6x3 + x - 5
C. -6x3 - 2x2 + 10x

Respuesta :

The first one is B
4(x3 - 2x + 4)
 distribute the 4 to everything in the parenthesis to get

4x3 - 8x  + 16

The second one is A
  distribute the -2x to everything in parenthesis to get 
 -2x(3x2 + x - 5)

-6x2 -2x + 10