Question

Express (x-1)(x+2)(x-3) in standard form

Answer 1

x^3-2x^2-5x+6

Explanation:

(x-3)(x-1)

(x^2-x-3x+3)(x+2)

x^3+2x^2-4x^2-8x+3x +6

now combine like terms

-8x + 3x = 5x

2x^2-4x^2= -2x^2

Answer 2

I hope this helps you



(x.x+2x-1.x-1.2)(x-3)


(x^2+x-2)(x-3)


x^2.x-3.x^2+x.x-3.x-2.x-2. (-3)


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