Question

X squared plus 8 squared equals 9
What is X?

Answer 1

x =
`i√(55) , -i√(55)`

Explanation:

x^2 + 8^2 = 9

Simplify the 8^2

x^2 + 64 = 9

Subtract 64 from both sides

x^2 = -55

Take the square root from both sides

x = +/-
`√(-55)`

Simplify

x =
`i√(55) , -i√(55)`

Hope this helps!