Factorise this expression: 3x - x^2 (If possible, please explain the method used to solve it) My answer is x(3 - x) Is that right?

asked Oct 23, 2016 129k views

0 votes

Factorise this expression:

3x - x^2

(If possible, please explain the method used to solve it)

My answer is x(3 - x)
Is that right?

7.2k points

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3 votes

3x - x²
x(3) - x(x)
x(3 - x)
Your answer is right.

KdotJPG answered Oct 25, 2016

7.7k points

1 vote

Yes you are correct, GCF of both terms is x, so you can factor x out.

3x - x² ⇒ x(3 - x)

Bazley answered Oct 30, 2016

8.0k points

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