Question

Please help and explain so I understand!!​

Answer 1

x=5

Explanation:

`4x^2-11=89`

add 11 to both sides

`4x^2=100`

Divide 4 on both sides

`x^2=25`

Take the square root of both sides to eliminate the power of two from x

`√(x^2) =√(25)`

Simplify

`x=5`