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Simplifying
4x2 + -30 = 50
Reorder the terms:
-30 + 4x2 = 50
Solving
-30 + 4x2 = 50
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '30' to each side of the equation.
-30 + 30 + 4x2 = 50 + 30
Combine like terms: -30 + 30 = 0
0 + 4x2 = 50 + 30
4x2 = 50 + 30
Combine like terms: 50 + 30 = 80
4x2 = 80
Divide each side by '4'.
x2 = 20
Simplifying
x2 = 20
Take the square root of each side:
x = {-4.472135955, 4.472135955}
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