(10-4x)(7x+3)=0

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Solution for (10-4x)(7x+3)=0 equation:


Simplifying
(10 + -4x)(7x + 3) = 0

Reorder the terms:
(10 + -4x)(3 + 7x) = 0

Multiply (10 + -4x) * (3 + 7x)
(10(3 + 7x) + -4x * (3 + 7x)) = 0
((3 * 10 + 7x * 10) + -4x * (3 + 7x)) = 0
((30 + 70x) + -4x * (3 + 7x)) = 0
(30 + 70x + (3 * -4x + 7x * -4x)) = 0
(30 + 70x + (-12x + -28x2)) = 0

Combine like terms: 70x + -12x = 58x
(30 + 58x + -28x2) = 0

Solving
30 + 58x + -28x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(15 + 29x + -14x2) = 0

Factor a trinomial.
2((5 + -2x)(3 + 7x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Subproblem 2

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

Solution

x = {2.5, -0.4285714286}

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