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Simplifying
2x2 + 11 + -30 = 0
Reorder the terms:
11 + -30 + 2x2 = 0
Combine like terms: 11 + -30 = -19
-19 + 2x2 = 0
Solving
-19 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '19' to each side of the equation.
-19 + 19 + 2x2 = 0 + 19
Combine like terms: -19 + 19 = 0
0 + 2x2 = 0 + 19
2x2 = 0 + 19
Combine like terms: 0 + 19 = 19
2x2 = 19
Divide each side by '2'.
x2 = 9.5
Simplifying
x2 = 9.5
Take the square root of each side:
x = {-3.082207001, 3.082207001}
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