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Simplifying
4 = 16x2 + -5
Reorder the terms:
4 = -5 + 16x2
Solving
4 = -5 + 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 = -5 + 16x2 + -16x2
Combine like terms: 16x2 + -16x2 = 0
4 + -16x2 = -5 + 0
4 + -16x2 = -5
Add '-4' to each side of the equation.
4 + -4 + -16x2 = -5 + -4
Combine like terms: 4 + -4 = 0
0 + -16x2 = -5 + -4
-16x2 = -5 + -4
Combine like terms: -5 + -4 = -9
-16x2 = -9
Divide each side by '-16'.
x2 = 0.5625
Simplifying
x2 = 0.5625
Take the square root of each side:
x = {-0.75, 0.75}
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