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Simplifying
4 = -16x2 + 260
Reorder the terms:
4 = 260 + -16x2
Solving
4 = 260 + -16x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '16x2' to each side of the equation.
4 + 16x2 = 260 + -16x2 + 16x2
Combine like terms: -16x2 + 16x2 = 0
4 + 16x2 = 260 + 0
4 + 16x2 = 260
Add '-4' to each side of the equation.
4 + -4 + 16x2 = 260 + -4
Combine like terms: 4 + -4 = 0
0 + 16x2 = 260 + -4
16x2 = 260 + -4
Combine like terms: 260 + -4 = 256
16x2 = 256
Divide each side by '16'.
x2 = 16
Simplifying
x2 = 16
Take the square root of each side:
x = {-4, 4}
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