Question

How do you simplify `(5x ^ { 2} - 2x + 1) - ( 3x ^ { 2} - 3x - 2)`?

Answer 1

`2x^2+x+3`

Explanation:

`(5x ^ { 2} - 2x + 1) - ( 3x ^ { 2} - 3x - 2) " "larr` remove the brackets

`5x^2-2x+1-3x^2+3x+2" "larr` note the sign changes.

=`2x^2+x+3" "larr` add like terms