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Simplifying
16(-1x2 + 4) = 0
Reorder the terms:
16(4 + -1x2) = 0
(4 * 16 + -1x2 * 16) = 0
(64 + -16x2) = 0
Solving
64 + -16x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-64' to each side of the equation.
64 + -64 + -16x2 = 0 + -64
Combine like terms: 64 + -64 = 0
0 + -16x2 = 0 + -64
-16x2 = 0 + -64
Combine like terms: 0 + -64 = -64
-16x2 = -64
Divide each side by '-16'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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