5x^2-11=69

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Solution for 5x^2-11=69 equation:


Simplifying
5x2 + -11 = 69

Reorder the terms:
-11 + 5x2 = 69

Solving
-11 + 5x2 = 69

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 = 69 + 11

Combine like terms: -11 + 11 = 0
0 + 5x2 = 69 + 11
5x2 = 69 + 11

Combine like terms: 69 + 11 = 80
5x2 = 80

Divide each side by '5'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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