Question

How do you simplify `(5x ^ { 2} + 10x - 5)-( 4x ^ { 2} - 6x + 1)`?

Answer 1

`x^2+16x-6`

Explanation:

given
`(5x^2+10x-5)-(4x^2-6x+1)`

calculations
simplify parentheses `5x^2+10x-5-4x^2+6x-1`
combine like terms `x^2+16x-6`

note
anything in parentheses:

• `-(-) = +`
• `-(+) = -`