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Simplifying
8(x2 + -1) = 24
Reorder the terms:
8(-1 + x2) = 24
(-1 * 8 + x2 * 8) = 24
(-8 + 8x2) = 24
Solving
-8 + 8x2 = 24
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 8x2 = 24 + 8
Combine like terms: -8 + 8 = 0
0 + 8x2 = 24 + 8
8x2 = 24 + 8
Combine like terms: 24 + 8 = 32
8x2 = 32
Divide each side by '8'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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