Question

Multiply and Simplify
(x-4)(x^2 - 5x - 6)

Answer 1

x^3-9x^2-6x-4x^2+20x+24

Explanation:

Multiply the parentheses and get:

x^3-5x^2-6x-4x^2+20x+24

Collect The Like Terms and get:

x^3-9x^2-6x+20x+24

Simplyify: x^3-9x^2-6x-4x^2+20x+24

Answer 2

x^3 -9x^2 +14x +24

Explanation:

(x-4)(x^2 - 5x - 6)

Multiply the x by everything in the second term

x * (x^2 - 5x - 6)

x^3 -5x^2 -6x

Multiply the -4 by everything in the second term

-4 * (x^2 - 5x - 6)

-4x^2 +20x +24

Add everything together

I like to line them up vertically

x^3 -5x^2 -6x

-4x^2 +20x +24

-------------------------------

x^3 -9x^2 +14x +24