Question

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

Answer 1

Answer: u =
`(7)/(8)` or 0.875

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 =
`(7)/(8)` or 0.875