# Math Help - multiply

1. ## multiply

Multiply
(3x-6)(x+1)

(2x-10)(2x+10)

I have done these, I just want to see if I have the right answers.

2. Originally Posted by Suwanee
Multiply
(3x-6)(x+1)
(3x)(x)+(3x)(1)+(-6)(x)+(-6)(1)=
3x^2+3x-6x-6=
3x^2-3x-6

(2x-10)(2x+10)
(2x)(2x)+(2x)(-10)+(2x)(1)+(10)(-10)=
4x^2-20x+20x-100=
4x^2-100

3. ## I had both right, thanks

Thanks, I had both of them right.