Question

How do you subtract `(5x^2+10x+3) - (3x^2-4x+8)`?

Answer 1

`2x^2+14x-5`

Explanation:

You would change the signs in the second polynomial and sum the like terms:

`color(red)(5x^2)color(green)(+10x)+3color(red)(-3x^2)color(green)(+4x)-8`

`2x^2+14x-5`