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Simplifying
8x2 + -169 = 0
Reorder the terms:
-169 + 8x2 = 0
Solving
-169 + 8x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '169' to each side of the equation.
-169 + 169 + 8x2 = 0 + 169
Combine like terms: -169 + 169 = 0
0 + 8x2 = 0 + 169
8x2 = 0 + 169
Combine like terms: 0 + 169 = 169
8x2 = 169
Divide each side by '8'.
x2 = 21.125
Simplifying
x2 = 21.125
Take the square root of each side:
x = {-4.596194078, 4.596194078}
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