(-2x-7)(-3x+5)=0

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Solution for (-2x-7)(-3x+5)=0 equation: 


Simplifying
(-2x + -7)(-3x + 5) = 0

Reorder the terms:
(-7 + -2x)(-3x + 5) = 0

Reorder the terms:
(-7 + -2x)(5 + -3x) = 0

Multiply (-7 + -2x) * (5 + -3x)
(-7(5 + -3x) + -2x * (5 + -3x)) = 0
((5 * -7 + -3x * -7) + -2x * (5 + -3x)) = 0
((-35 + 21x) + -2x * (5 + -3x)) = 0
(-35 + 21x + (5 * -2x + -3x * -2x)) = 0
(-35 + 21x + (-10x + 6x2)) = 0

Combine like terms: 21x + -10x = 11x
(-35 + 11x + 6x2) = 0

Solving
-35 + 11x + 6x2 = 0

Solving for variable 'x'.

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


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

Simplifying
-7 + -2x = 0

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

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

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

Divide each side by '-2'.
x = -3.5

Simplifying
x = -3.5

Subproblem 2
Set the factor '(5 + -3x)' equal to zero and attempt to solve:

Simplifying
5 + -3x = 0

Solving
5 + -3x = 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 + -3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3x = 0 + -5
-3x = 0 + -5

Combine like terms: 0 + -5 = -5
-3x = -5

Divide each side by '-3'.
x = 1.666666667

Simplifying
x = 1.666666667
Solution
x = {-3.5, 1.666666667}

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