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Simplifying
-16x2 + 324 = 0
Reorder the terms:
324 + -16x2 = 0
Solving
324 + -16x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-324' to each side of the equation.
324 + -324 + -16x2 = 0 + -324
Combine like terms: 324 + -324 = 0
0 + -16x2 = 0 + -324
-16x2 = 0 + -324
Combine like terms: 0 + -324 = -324
-16x2 = -324
Divide each side by '-16'.
x2 = 20.25
Simplifying
x2 = 20.25
Take the square root of each side:
x = {-4.5, 4.5}
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