Question

Simplifying expression 4x^2 - 5x+ 9x^2 - 12x

A.- 4x
B. 5x^2– 7x
C. 13x^2- 17x
D.5x^2 + 17x​

Answer 1

C. 13x^2 - 17x

Explanation:

1. Collect like terms -

4x^2 - 5x + 9x^2 - 12x

= 13x^2 - 5x - 12x

2. Collect like terms again -

13x^2 - 5x - 12x

= 13x^2 - 17x

So, the answer is 13x^2 - 17x I hope this helps! :D

Answer 2

The answer to your question is C