0=15x^2+22.5-405

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Solution for 0=15x^2+22.5-405 equation: 


Simplifying
0 = 15x2 + 22.5 + -405

Reorder the terms:
0 = 22.5 + -405 + 15x2

Combine like terms: 22.5 + -405 = -382.5
0 = -382.5 + 15x2

Solving
0 = -382.5 + 15x2

Solving for variable 'x'.

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

Add '-15x2' to each side of the equation.
0 + -15x2 = -382.5 + 15x2 + -15x2
Remove the zero:
-15x2 = -382.5 + 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
-15x2 = -382.5 + 0
-15x2 = -382.5

Divide each side by '-15'.
x2 = 25.5

Simplifying
x2 = 25.5

Take the square root of each side:
x = {-5.049752469, 5.049752469}

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