Question

How do you simplify `(2x^2 - 4x - 5) + (10x^2 + 3x)`?

Answer 1

Remove the parentheses, gather like terms, and simplify to get `12x^2-x-5`.

Explanation:

We can remove the parentheses since the terms inside are already simplified.

`2x^2-4x-5+10x^2+3x`

Gather like terms and simplify.

`2x^2+10x^2-4x+3x-5` =

`12x^2-x-5`