Question

(4x2 – 2x + 1) – (5x2 – 7x - 5 )

Answer 1

,We have the next expression

`(4x^2-2x+1)-(5x^2-7x-5)`

First we will multiplicate the sign minus with the trinomial (5x^2 – 7x - 5 )

`4x^2-2x+1-5x^2+7x+5`

then we can sum like terms and we obtain the solution

`-x^2+5x+6`