Question

(2x-3)^2=81

If x is a solution to the equation above and x > 0, what is the value of x?
X=

Answer 1

putting roots on both sides,

`√((2x - 3)) {}^(2) = √(81)`

or, 2x-3 =9

or, 2x= 9+3

or, 2x = 12

Or, x = 12÷2

:. x=6