Question

(13x2+9x-4)-(12x2-2x+6) add or subtract the polynomials

Answer 1

11x-8

Explanation:

1. Simplify 13 x 2 to 26

2. simplify 12 x 2 to 24

3. simplify 24-2x + 6 to 2x + 30

4. remove the parentheses 26 + 9x - 4 + 2x - 30

5. collect the terms

( 26 - 4 - 30) + ( 9x + 2x)