Question

Perform the operation.
(6x2 + 7x + 2) - (-9x2 – 10)
Perform the operation help please

Answer 1

Answer: x=92

Explanation:

Answer 2

15
`x^(2)` + 7x + 12

Explanation:

(6x^2 + 7x + 2) - (-9x^2 - 10)

Flip the sign:

- (-9x^2 - 10) becomes + 9x^2 + 10

Combine like terms:

6x^2 + 7x + 2 + 9x^2 + 10

6x^2 + 9x^2 = 15x^2

2 + 10 = 12

Put it all together:

15x^2 + 7x + 12