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

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Solution for (3x+7)(x-11)=0 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.
(-7 + -3x)(11 + -1x) = 0


Subproblem 1
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

Subproblem 2
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
Solution
x = {-2.333333333, 11}

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