Question

How do you simplify `(19x^2 + 11x + 15) - (-5x^2 - 6x - 6)`?

Answer 1

`=color(red)(24x^2)+color(blue)(17x)+ 21`

Explanation:

`19x^2 + 11x + 15 +5x^2 + 6x + 6`
Grouping like terms:

`=color(red)((19x^2 +5x^2 ))+color(blue)(( 11x +6x))+ (15 + 6)`
`=color(red)(24x^2)+color(blue)(17x)+ 21`