(7x-3)(-2x-6)=

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Solution for (7x-3)(-2x-6)= equation:


Simplifying
(7x + -3)(-2x + -6) = 0

Reorder the terms:
(-3 + 7x)(-2x + -6) = 0

Reorder the terms:
(-3 + 7x)(-6 + -2x) = 0

Multiply (-3 + 7x) * (-6 + -2x)
(-3(-6 + -2x) + 7x * (-6 + -2x)) = 0
((-6 * -3 + -2x * -3) + 7x * (-6 + -2x)) = 0
((18 + 6x) + 7x * (-6 + -2x)) = 0
(18 + 6x + (-6 * 7x + -2x * 7x)) = 0
(18 + 6x + (-42x + -14x2)) = 0

Combine like terms: 6x + -42x = -36x
(18 + -36x + -14x2) = 0

Solving
18 + -36x + -14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(9 + -18x + -7x2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + -7x)' equal to zero and attempt to solve: Simplifying 3 + -7x = 0 Solving 3 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -7x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7x = 0 + -3 -7x = 0 + -3 Combine like terms: 0 + -3 = -3 -7x = -3 Divide each side by '-7'. x = 0.4285714286 Simplifying x = 0.4285714286

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {0.4285714286, -3}

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