Step-by-step explanation:
8x² + 8x - 21 = 0
8(x² + x) - 21 = 0
8(x + 0.5)² - 23 = 0
8(x + 0.5)² = 23
(x + 0.5)² = 23/8.
Answer:A
Step-by-step explanation:
Answer:
-51/4 is greater
Step-by-step explanation:
Step-by-step explanation:

I say 10 because if the 6 was a demical i would been 10.