Question

I need help answering this question. (X+4)(x2-3x-7) (x2 is x to the power of 2)

Answer 1

x³ + x² - 19x - 28

Explanation:

(x+4)(x²-3x-7)

x³ - 3x² - 7x + 4x²- 12x - 28

x³ - 3x² + 4x² - 7x - 12x -28

x³ + x² - 19x -28