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Simplifying
2x(2x) + -224 = 0
Remove parenthesis around (2x)
2x * 2x + -224 = 0
Reorder the terms for easier multiplication:
2 * 2x * x + -224 = 0
Multiply 2 * 2
4x * x + -224 = 0
Multiply x * x
4x2 + -224 = 0
Reorder the terms:
-224 + 4x2 = 0
Solving
-224 + 4x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '224' to each side of the equation.
-224 + 224 + 4x2 = 0 + 224
Combine like terms: -224 + 224 = 0
0 + 4x2 = 0 + 224
4x2 = 0 + 224
Combine like terms: 0 + 224 = 224
4x2 = 224
Divide each side by '4'.
x2 = 56
Simplifying
x2 = 56
Take the square root of each side:
x = {-7.483314774, 7.483314774}
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