Question

How do you find the product of `(2x-6)(x+3)`?

Answer 1

`2*x^2+6*x-6*x-18`
`2*x^2 -18`

Explanation:

you multiply the `2*X` by the 2nd braket then`-6` with the 2nd braket and the collect terms

Answer 2

`color(green)(2x^2-18)`

Explanation:

`(2x-6)(x+3)`

`color(white)(aaaaaaaaaaaaa)` `2x-6`
`color(white)(aaaaaaaaaaa)` `xx underline(x+3)`
`color(white)(aaaaaaaaaaaaa)` `2x^2-6x`
`color(white)(aaaaaaaaaaaaaaaa)` `+6x-18`
`color(white)(aaaaaaaaaaaaa)` `overline(2x^2+0-18)`

`color(white)(aaaaaaaaaaaaa)` `color(green)(2x^2-18`