5x^2+55=90

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Solution for 5x^2+55=90 equation:


Simplifying
5x2 + 55 = 90

Reorder the terms:
55 + 5x2 = 90

Solving
55 + 5x2 = 90

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + 5x2 = 90 + -55

Combine like terms: 55 + -55 = 0
0 + 5x2 = 90 + -55
5x2 = 90 + -55

Combine like terms: 90 + -55 = 35
5x2 = 35

Divide each side by '5'.
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}

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