54=5x^2+9

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Solution for 54=5x^2+9 equation: 


Simplifying
54 = 5x2 + 9

Reorder the terms:
54 = 9 + 5x2

Solving
54 = 9 + 5x2

Solving for variable 'x'.

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

Add '-5x2' to each side of the equation.
54 + -5x2 = 9 + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
54 + -5x2 = 9 + 0
54 + -5x2 = 9

Add '-54' to each side of the equation.
54 + -54 + -5x2 = 9 + -54

Combine like terms: 54 + -54 = 0
0 + -5x2 = 9 + -54
-5x2 = 9 + -54

Combine like terms: 9 + -54 = -45
-5x2 = -45

Divide each side by '-5'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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