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Simplifying
4x2 + -3 = 57
Reorder the terms:
-3 + 4x2 = 57
Solving
-3 + 4x2 = 57
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + 4x2 = 57 + 3
Combine like terms: -3 + 3 = 0
0 + 4x2 = 57 + 3
4x2 = 57 + 3
Combine like terms: 57 + 3 = 60
4x2 = 60
Divide each side by '4'.
x2 = 15
Simplifying
x2 = 15
Take the square root of each side:
x = {-3.872983346, 3.872983346}
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