(2x-9)*(7x-9)=

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


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

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

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

Multiply (-9 + 2x) * (-9 + 7x)
(-9(-9 + 7x) + 2x * (-9 + 7x)) = 0
((-9 * -9 + 7x * -9) + 2x * (-9 + 7x)) = 0
((81 + -63x) + 2x * (-9 + 7x)) = 0
(81 + -63x + (-9 * 2x + 7x * 2x)) = 0
(81 + -63x + (-18x + 14x2)) = 0

Combine like terms: -63x + -18x = -81x
(81 + -81x + 14x2) = 0

Solving
81 + -81x + 14x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(9 + -7x)' equal to zero and attempt to solve:

Simplifying
9 + -7x = 0

Solving
9 + -7x = 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 + -7x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = 0 + -9
-7x = 0 + -9

Combine like terms: 0 + -9 = -9
-7x = -9

Divide each side by '-7'.
x = 1.285714286

Simplifying
x = 1.285714286

Subproblem 2
Set the factor '(9 + -2x)' equal to zero and attempt to solve:

Simplifying
9 + -2x = 0

Solving
9 + -2x = 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 + -2x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 0 + -9
-2x = 0 + -9

Combine like terms: 0 + -9 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5
Solution
x = {1.285714286, 4.5}

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