(2x-9)(7x+3)=0

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Solution for (2x-9)(7x+3)=0 equation:


Simplifying
(2x + -9)(7x + 3) = 0

Reorder the terms:
(-9 + 2x)(7x + 3) = 0

Reorder the terms:
(-9 + 2x)(3 + 7x) = 0

Multiply (-9 + 2x) * (3 + 7x)
(-9(3 + 7x) + 2x * (3 + 7x)) = 0
((3 * -9 + 7x * -9) + 2x * (3 + 7x)) = 0
((-27 + -63x) + 2x * (3 + 7x)) = 0
(-27 + -63x + (3 * 2x + 7x * 2x)) = 0
(-27 + -63x + (6x + 14x2)) = 0

Combine like terms: -63x + 6x = -57x
(-27 + -57x + 14x2) = 0

Solving
-27 + -57x + 14x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -7x)(9 + -2x) = 0

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 '(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 = {-0.4285714286, 4.5}

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