6x(5x+7)-(5x+7)=

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Solution for 6x(5x+7)-(5x+7)= equation: 


Simplifying
6x(5x + 7) + -1(5x + 7) = 0

Reorder the terms:
6x(7 + 5x) + -1(5x + 7) = 0
(7 * 6x + 5x * 6x) + -1(5x + 7) = 0
(42x + 30x2) + -1(5x + 7) = 0

Reorder the terms:
42x + 30x2 + -1(7 + 5x) = 0
42x + 30x2 + (7 * -1 + 5x * -1) = 0
42x + 30x2 + (-7 + -5x) = 0

Reorder the terms:
-7 + 42x + -5x + 30x2 = 0

Combine like terms: 42x + -5x = 37x
-7 + 37x + 30x2 = 0

Solving
-7 + 37x + 30x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -5x)(1 + -6x) = 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 '(1 + -6x)' equal to zero and attempt to solve:

Simplifying
1 + -6x = 0

Solving
1 + -6x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -6x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6x = 0 + -1
-6x = 0 + -1

Combine like terms: 0 + -1 = -1
-6x = -1

Divide each side by '-6'.
x = 0.1666666667

Simplifying
x = 0.1666666667
Solution
x = {-1.4, 0.1666666667}

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