Question

How do you simplify `-2l(3l-4)+7l`?

Answer 1

`-6l^2+15l`

Explanation:

Times everything in the brackets by `-2l`:
This becomes: `-6l^2+8l+7l`

Then simplify by adding like terms:
Add `8l` with `7l` and the final answer is:

`-6l^2+15l`