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Simplifying
9x2 + 0x + -26 = 0
Anything times zero is zero.
9x2 + 0x + -26 = 0
Reorder the terms:
0 + -26 + 9x2 = 0
Combine like terms: 0 + -26 = -26
-26 + 9x2 = 0
Solving
-26 + 9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '26' to each side of the equation.
-26 + 26 + 9x2 = 0 + 26
Combine like terms: -26 + 26 = 0
0 + 9x2 = 0 + 26
9x2 = 0 + 26
Combine like terms: 0 + 26 = 26
9x2 = 26
Divide each side by '9'.
x2 = 2.888888889
Simplifying
x2 = 2.888888889
Take the square root of each side:
x = {-1.699673171, 1.699673171}
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