(1x+7)(7x-2)=

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Solution for (1x+7)(7x-2)= equation: 


Simplifying
(1x + 7)(7x + -2) = 0

Reorder the terms:
(7 + 1x)(7x + -2) = 0

Reorder the terms:
(7 + 1x)(-2 + 7x) = 0

Multiply (7 + 1x) * (-2 + 7x)
(7(-2 + 7x) + 1x * (-2 + 7x)) = 0
((-2 * 7 + 7x * 7) + 1x * (-2 + 7x)) = 0
((-14 + 49x) + 1x * (-2 + 7x)) = 0
(-14 + 49x + (-2 * 1x + 7x * 1x)) = 0
(-14 + 49x + (-2x + 7x2)) = 0

Combine like terms: 49x + -2x = 47x
(-14 + 47x + 7x2) = 0

Solving
-14 + 47x + 7x2 = 0

Solving for variable 'x'.

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


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

Simplifying
-7 + -1x = 0

Solving
-7 + -1x = 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 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

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 = {-7, 0.2857142857}

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