5x^2-11=20

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Solution for 5x^2-11=20 equation:


Simplifying
5x2 + -11 = 20

Reorder the terms:
-11 + 5x2 = 20

Solving
-11 + 5x2 = 20

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 5x2 = 20 + 11

Combine like terms: -11 + 11 = 0
0 + 5x2 = 20 + 11
5x2 = 20 + 11

Combine like terms: 20 + 11 = 31
5x2 = 31

Divide each side by '5'.
x2 = 6.2

Simplifying
x2 = 6.2

Take the square root of each side:
x = {-2.48997992, 2.48997992}

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