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Simplifying
4x2 + 12 = 49
Reorder the terms:
12 + 4x2 = 49
Solving
12 + 4x2 = 49
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-12' to each side of the equation.
12 + -12 + 4x2 = 49 + -12
Combine like terms: 12 + -12 = 0
0 + 4x2 = 49 + -12
4x2 = 49 + -12
Combine like terms: 49 + -12 = 37
4x2 = 37
Divide each side by '4'.
x2 = 9.25
Simplifying
x2 = 9.25
Take the square root of each side:
x = {-3.041381265, 3.041381265}
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