Answer:
x( x-4)(x+3)
Step-by-step explanation:
x^3+x^2−12x
First factor out an x
x(x^2+x^−12)
Now factor inside the parentheses
What two numbers multiply to -12 and add to 1
4*-3 = -12
4+-3 =1
x(x - 4)(x + 3)
y = x³ + x² - 12x
x(x² + x - 12)
