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Simplifying
0 = 8x2 + -48 + 8
Reorder the terms:
0 = -48 + 8 + 8x2
Combine like terms: -48 + 8 = -40
0 = -40 + 8x2
Solving
0 = -40 + 8x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8x2' to each side of the equation.
0 + -8x2 = -40 + 8x2 + -8x2
Remove the zero:
-8x2 = -40 + 8x2 + -8x2
Combine like terms: 8x2 + -8x2 = 0
-8x2 = -40 + 0
-8x2 = -40
Divide each side by '-8'.
x2 = 5
Simplifying
x2 = 5
Take the square root of each side:
x = {-2.236067978, 2.236067978}
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