(2x-7)(9x-18)=0

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Solution for (2x-7)(9x-18)=0 equation:


Simplifying
(2x + -7)(9x + -18) = 0

Reorder the terms:
(-7 + 2x)(9x + -18) = 0

Reorder the terms:
(-7 + 2x)(-18 + 9x) = 0

Multiply (-7 + 2x) * (-18 + 9x)
(-7(-18 + 9x) + 2x * (-18 + 9x)) = 0
((-18 * -7 + 9x * -7) + 2x * (-18 + 9x)) = 0
((126 + -63x) + 2x * (-18 + 9x)) = 0
(126 + -63x + (-18 * 2x + 9x * 2x)) = 0
(126 + -63x + (-36x + 18x2)) = 0

Combine like terms: -63x + -36x = -99x
(126 + -99x + 18x2) = 0

Solving
126 + -99x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(14 + -11x + 2x2) = 0

Factor a trinomial.
9((2 + -1x)(7 + -2x)) = 0

Ignore the factor 9.

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {2, 3.5}

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