Question

How do you simplify `5x(x+4) - 6x(x+3)`?

Answer 1

`=-x(x-2)`

Explanation:

`5x(x+4)-6x(x+3)=5x^2+20x-6x^2-18x`

`=5x^2-6x^2+20x-18x`

`(5-6)x^2+(20-18)x`

`-1x^2+2x`

`(-x+2)x`

`=-x(x-2)`