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Simplifying
x(x + 8) + -1(5x + 3x) = 0
Reorder the terms:
x(8 + x) + -1(5x + 3x) = 0
(8 * x + x * x) + -1(5x + 3x) = 0
(8x + x2) + -1(5x + 3x) = 0
Combine like terms: 5x + 3x = 8x
8x + x2 + -1(8x) = 0
Remove parenthesis around (8x)
8x + x2 + -1 * 8x = 0
Multiply -1 * 8
8x + x2 + -8x = 0
Reorder the terms:
8x + -8x + x2 = 0
Combine like terms: 8x + -8x = 0
0 + x2 = 0
x2 = 0
Solving
x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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