Question

How do you combine `(4x^5 + 3x^4 – 5x + 1) – (2x^5 + x – 3)`?

Answer 1

You can get rid of the brackets and add similar terms. Remember that the second bracket has a minus sign in front of it so you need to change all the signs inside it:

`4x^5+3x^4-5x+1color(red)(-)2x^5color(red)(-)xcolor(red)(+)3=`

Now add (with right sign) similar terms:

`=2x^5+3x^4-6x+4`