Question

4 raised to power two minus 8u minus 9=0​

Answer 1

Answer: u = $\frac{7}{8}$ or 0.875

Step-by-step explanation:

Let us convert this statement to a question

$4^{2}$-8u-9 = 0

16-8u-9 = 0

-8u = 0+9-16

-8u = -7

u = -7 ÷ -8

u = $\frac{7}{8}$ or 0.875