3x*3x+8=23

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Solution for 3x*3x+8=23 equation: 


Simplifying
3x * 3x + 8 = 23

Reorder the terms for easier multiplication:
3 * 3x * x + 8 = 23

Multiply 3 * 3
9x * x + 8 = 23

Multiply x * x
9x2 + 8 = 23

Reorder the terms:
8 + 9x2 = 23

Solving
8 + 9x2 = 23

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + 9x2 = 23 + -8

Combine like terms: 8 + -8 = 0
0 + 9x2 = 23 + -8
9x2 = 23 + -8

Combine like terms: 23 + -8 = 15
9x2 = 15

Divide each side by '9'.
x2 = 1.666666667

Simplifying
x2 = 1.666666667

Take the square root of each side:
x = {-1.290994449, 1.290994449}

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