(7x-2)(5x+7)=

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Solution for (7x-2)(5x+7)= equation: 


Simplifying
(7x + -2)(5x + 7) = 0

Reorder the terms:
(-2 + 7x)(5x + 7) = 0

Reorder the terms:
(-2 + 7x)(7 + 5x) = 0

Multiply (-2 + 7x) * (7 + 5x)
(-2(7 + 5x) + 7x * (7 + 5x)) = 0
((7 * -2 + 5x * -2) + 7x * (7 + 5x)) = 0
((-14 + -10x) + 7x * (7 + 5x)) = 0
(-14 + -10x + (7 * 7x + 5x * 7x)) = 0
(-14 + -10x + (49x + 35x2)) = 0

Combine like terms: -10x + 49x = 39x
(-14 + 39x + 35x2) = 0

Solving
-14 + 39x + 35x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(-7 + -5x)' equal to zero and attempt to solve:

Simplifying
-7 + -5x = 0

Solving
-7 + -5x = 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 + -5x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -5x = 0 + 7
-5x = 0 + 7

Combine like terms: 0 + 7 = 7
-5x = 7

Divide each side by '-5'.
x = -1.4

Simplifying
x = -1.4

Subproblem 2
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
Solution
x = {-1.4, 0.2857142857}

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