9514 1404 393
Answer:
x^3 -6x^2 +5x +12
Step-by-step explanation:
The distributive property is helpful for this.
(x -4)(x^2 -2x -3) = x(x^2 -2x -3) -4(x^2 -2x -3) . . . . distribute x -4
= x^3 -2x^2 -3x -4x^2 +8x +12 . . . . distribute x and -4
= x^3 -6x^2 +5x +12 . . . . . collect terms
