Answer:
3x+9
Step-by-step explanation:
Remember that like terms can combine. 7x and -4x are like terms, and they combine to get 3x. 12 and -3 are like terms, and they combine to get 9. Therefore, the simplified expression is 3x+9.
Hope this helped!
(9x + 8y2) • (9x - 8y2)
15
-40
A negative times a negative is a positive.
A negative times a positive is a negative.
14 is the answer
hope it helps
