9x^2+80x=9

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Solution for 9x^2+80x=9 equation:


Simplifying
9x2 + 80x = 9

Reorder the terms:
80x + 9x2 = 9

Solving
80x + 9x2 = 9

Solving for variable 'x'.

Reorder the terms:
-9 + 80x + 9x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 80x + 9x2 = 0

Factor a trinomial.
(-9 + -1x)(1 + -9x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(1 + -9x)' equal to zero and attempt to solve: Simplifying 1 + -9x = 0 Solving 1 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -9x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9x = 0 + -1 -9x = 0 + -1 Combine like terms: 0 + -1 = -1 -9x = -1 Divide each side by '-9'. x = 0.1111111111 Simplifying x = 0.1111111111

Solution

x = {-9, 0.1111111111}

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