Question

HELP!!
Solve 3(x–9)2 = 21

Answer 1

x =
`(25)/(2)`

Explanation:

3(x–9)2 = 21

6(x - 9) = 21

6x - 54 = 21

6x = 75

x =
`(75)/(6)` =
`(25)/(2)`

So, the answer is x =
`(25)/(2)`