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Simplifying
8x2 + -9 = 719
Reorder the terms:
-9 + 8x2 = 719
Solving
-9 + 8x2 = 719
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 8x2 = 719 + 9
Combine like terms: -9 + 9 = 0
0 + 8x2 = 719 + 9
8x2 = 719 + 9
Combine like terms: 719 + 9 = 728
8x2 = 728
Divide each side by '8'.
x2 = 91
Simplifying
x2 = 91
Take the square root of each side:
x = {-9.539392014, 9.539392014}
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