(7x+11)(3x-1)=

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Solution for (7x+11)(3x-1)= equation:


Simplifying
(7x + 11)(3x + -1) = 0

Reorder the terms:
(11 + 7x)(3x + -1) = 0

Reorder the terms:
(11 + 7x)(-1 + 3x) = 0

Multiply (11 + 7x) * (-1 + 3x)
(11(-1 + 3x) + 7x * (-1 + 3x)) = 0
((-1 * 11 + 3x * 11) + 7x * (-1 + 3x)) = 0
((-11 + 33x) + 7x * (-1 + 3x)) = 0
(-11 + 33x + (-1 * 7x + 3x * 7x)) = 0
(-11 + 33x + (-7x + 21x2)) = 0

Combine like terms: 33x + -7x = 26x
(-11 + 26x + 21x2) = 0

Solving
-11 + 26x + 21x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-11 + -7x)' equal to zero and attempt to solve: Simplifying -11 + -7x = 0 Solving -11 + -7x = 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 + -7x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -7x = 0 + 11 -7x = 0 + 11 Combine like terms: 0 + 11 = 11 -7x = 11 Divide each side by '-7'. x = -1.571428571 Simplifying x = -1.571428571

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {-1.571428571, 0.3333333333}

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