(3x-7)(x+11)=

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Solution for (3x-7)(x+11)= equation: 


Simplifying
(3x + -7)(x + 11) = 0

Reorder the terms:
(-7 + 3x)(x + 11) = 0

Reorder the terms:
(-7 + 3x)(11 + x) = 0

Multiply (-7 + 3x) * (11 + x)
(-7(11 + x) + 3x * (11 + x)) = 0
((11 * -7 + x * -7) + 3x * (11 + x)) = 0
((-77 + -7x) + 3x * (11 + x)) = 0
(-77 + -7x + (11 * 3x + x * 3x)) = 0
(-77 + -7x + (33x + 3x2)) = 0

Combine like terms: -7x + 33x = 26x
(-77 + 26x + 3x2) = 0

Solving
-77 + 26x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-11 + -1x)(7 + -3x) = 0


Subproblem 1
Set the factor '(-11 + -1x)' equal to zero and attempt to solve:

Simplifying
-11 + -1x = 0

Solving
-11 + -1x = 0

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

Add '11' to each side of the equation.
-11 + 11 + -1x = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -1x = 0 + 11
-1x = 0 + 11

Combine like terms: 0 + 11 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11

Subproblem 2
Set the factor '(7 + -3x)' equal to zero and attempt to solve:

Simplifying
7 + -3x = 0

Solving
7 + -3x = 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 + -3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 0 + -7
-3x = 0 + -7

Combine like terms: 0 + -7 = -7
-3x = -7

Divide each side by '-3'.
x = 2.333333333

Simplifying
x = 2.333333333
Solution
x = {-11, 2.333333333}

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