(2x-10)(7x+2)=0

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Solution for (2x-10)(7x+2)=0 equation: 


Simplifying
(2x + -10)(7x + 2) = 0

Reorder the terms:
(-10 + 2x)(7x + 2) = 0

Reorder the terms:
(-10 + 2x)(2 + 7x) = 0

Multiply (-10 + 2x) * (2 + 7x)
(-10(2 + 7x) + 2x * (2 + 7x)) = 0
((2 * -10 + 7x * -10) + 2x * (2 + 7x)) = 0
((-20 + -70x) + 2x * (2 + 7x)) = 0
(-20 + -70x + (2 * 2x + 7x * 2x)) = 0
(-20 + -70x + (4x + 14x2)) = 0

Combine like terms: -70x + 4x = -66x
(-20 + -66x + 14x2) = 0

Solving
-20 + -66x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + -33x + 7x2) = 0

Factor a trinomial.
2((-2 + -7x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-2 + -7x)' equal to zero and attempt to solve:

Simplifying
-2 + -7x = 0

Solving
-2 + -7x = 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 + -7x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -7x = 0 + 2
-7x = 0 + 2

Combine like terms: 0 + 2 = 2
-7x = 2

Divide each side by '-7'.
x = -0.2857142857

Simplifying
x = -0.2857142857

Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 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 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {-0.2857142857, 5}

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