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Simplifying
4x2 + 16 = 64
Reorder the terms:
16 + 4x2 = 64
Solving
16 + 4x2 = 64
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-16' to each side of the equation.
16 + -16 + 4x2 = 64 + -16
Combine like terms: 16 + -16 = 0
0 + 4x2 = 64 + -16
4x2 = 64 + -16
Combine like terms: 64 + -16 = 48
4x2 = 48
Divide each side by '4'.
x2 = 12
Simplifying
x2 = 12
Take the square root of each side:
x = {-3.464101615, 3.464101615}
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