(7-x)(6-9x)=0

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Solution for (7-x)(6-9x)=0 equation:


Simplifying
(7 + -1x)(6 + -9x) = 0

Multiply (7 + -1x) * (6 + -9x)
(7(6 + -9x) + -1x * (6 + -9x)) = 0
((6 * 7 + -9x * 7) + -1x * (6 + -9x)) = 0
((42 + -63x) + -1x * (6 + -9x)) = 0
(42 + -63x + (6 * -1x + -9x * -1x)) = 0
(42 + -63x + (-6x + 9x2)) = 0

Combine like terms: -63x + -6x = -69x
(42 + -69x + 9x2) = 0

Solving
42 + -69x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(14 + -23x + 3x2) = 0

Factor a trinomial.
3((2 + -3x)(7 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {0.6666666667, 7}

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