Question

x, x - 4, x + 5 are the factors of the left-hand side of the equation.
a) x3 + 2x2 – 3 – 2 = 0
b) x3 + x2 - 20x = 0
c) x3 - 3x2 - 4x + 12 = 0
d) x3 - 6x2 + 11x - 6 = 0​

Answer 1

Answer:

answers is b)is correct