Perform the operation.
(-10x² + 9) + (8x2 – 5x + 7)
HELP ASAP PLS

-2x² - 5x + 16

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

(-10x² + 9) + (8x² - 5x + 7)

Step 2: Simplify

Combine like terms (x²):                                                                                  -2x² + 9 - 5x + 7Combine like terms (Z):                                                                                   -2x² - 5x + 16

i believe it's a.

i'm not sure on this one, most likely correct.

good luck!