Answer:
a
Step-by-step explanation:
Answer:
i think the answer is 8 or it could be 2 or 4 :)
Step-by-step explanation:
Answer:
(2x - 9)(2x + 9)
Step-by-step explanation:
4x^2 - 81 = (2x - 9)(2x + 9)
-6x^4-7x^2+5x-10. hope this helps ! :)
Answer:
Step-BYU-step explanation
4z - (-3z) = 4z + 3z = 7z