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Simplifying
2x2 + -13 + 2 = 0
Reorder the terms:
-13 + 2 + 2x2 = 0
Combine like terms: -13 + 2 = -11
-11 + 2x2 = 0
Solving
-11 + 2x2 = 0
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 + 2x2 = 0 + 11
Combine like terms: -11 + 11 = 0
0 + 2x2 = 0 + 11
2x2 = 0 + 11
Combine like terms: 0 + 11 = 11
2x2 = 11
Divide each side by '2'.
x2 = 5.5
Simplifying
x2 = 5.5
Take the square root of each side:
x = {-2.34520788, 2.34520788}
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