4x^2-45=4

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Solution for 4x^2-45=4 equation: 


Simplifying
4x2 + -45 = 4

Reorder the terms:
-45 + 4x2 = 4

Solving
-45 + 4x2 = 4

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 4x2 = 4 + 45

Combine like terms: -45 + 45 = 0
0 + 4x2 = 4 + 45
4x2 = 4 + 45

Combine like terms: 4 + 45 = 49
4x2 = 49

Divide each side by '4'.
x2 = 12.25

Simplifying
x2 = 12.25

Take the square root of each side:
x = {-3.5, 3.5}

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