We are asked to solve question 1(a) by factoring. The equation is $x^3 + x^2 - 2x = 0$.

AlgebraPolynomial EquationsFactoringRoots of Polynomials
2025/5/21

1. Problem Description

We are asked to solve question 1(a) by factoring. The equation is x3+x22x=0x^3 + x^2 - 2x = 0.

2. Solution Steps

Step 1: Factor out the common term xx from the equation:
x(x2+x2)=0x(x^2 + x - 2) = 0
Step 2: Factor the quadratic expression x2+x2x^2 + x - 2. We are looking for two numbers that multiply to -2 and add up to

1. These numbers are 2 and -

1. $x^2 + x - 2 = (x+2)(x-1)$

Step 3: Substitute the factored quadratic back into the equation:
x(x+2)(x1)=0x(x+2)(x-1) = 0
Step 4: Set each factor to zero and solve for xx:
x=0x = 0
x+2=0=>x=2x+2 = 0 => x = -2
x1=0=>x=1x-1 = 0 => x = 1

3. Final Answer

The solutions are x=0,x=2,x=1x = 0, x = -2, x = 1.

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