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Simplifying
4x2 + -77 = 11
Reorder the terms:
-77 + 4x2 = 11
Solving
-77 + 4x2 = 11
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '77' to each side of the equation.
-77 + 77 + 4x2 = 11 + 77
Combine like terms: -77 + 77 = 0
0 + 4x2 = 11 + 77
4x2 = 11 + 77
Combine like terms: 11 + 77 = 88
4x2 = 88
Divide each side by '4'.
x2 = 22
Simplifying
x2 = 22
Take the square root of each side:
x = {-4.69041576, 4.69041576}
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