Question

Show your work for multiplying these and put your answer in standard form in the box slow: (no work loses points)

Answer 1

x³ + 8x² + 11x - 20

Explanation:

(x + 5)(x² + 3x - 4) =

= (x + 5)[x² + 3x + (-4)] =

= (x + 5)(x²) + (x + 5)(3x) + (x + 5)(-4)

= x³ + 5x² + 3x² + 15x + (-4x) + (-20)

= x³ + 8x² + 11x - 20