Question

(-5x²-9x-6)+(6x²+10)​

Answer 1

x^2 - 9x + 4.

Explanation:

(-5x²-9x-6)+(6x²+10)​

= -5x² - 9x - 6 + 6x² + 10 ​

= -5x² + 6x² - 9x - 6 + 10 ​

= x^2 - 9x + 4.

Answer 2

x^2-9x+4

Explanation:

(-5x^2-9x-6)+(6x^2+10)

-5x^2+6x^2-9x-6+10

x^2-9x+4