18x-11=7x^2

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Solution for 18x-11=7x^2 equation:


Simplifying
18x + -11 = 7x2

Reorder the terms:
-11 + 18x = 7x2

Solving
-11 + 18x = 7x2

Solving for variable 'x'.

Combine like terms: 7x2 + -7x2 = 0
-11 + 18x + -7x2 = 0

Factor a trinomial.
(-11 + 7x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-11 + 7x)' equal to zero and attempt to solve: Simplifying -11 + 7x = 0 Solving -11 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 7x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + 7x = 0 + 11 7x = 0 + 11 Combine like terms: 0 + 11 = 11 7x = 11 Divide each side by '7'. x = 1.571428571 Simplifying x = 1.571428571

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {1.571428571, 1}

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