(6x+3)(7x+4)=

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Solution for (6x+3)(7x+4)= equation:


Simplifying
(6x + 3)(7x + 4) = 0

Reorder the terms:
(3 + 6x)(7x + 4) = 0

Reorder the terms:
(3 + 6x)(4 + 7x) = 0

Multiply (3 + 6x) * (4 + 7x)
(3(4 + 7x) + 6x * (4 + 7x)) = 0
((4 * 3 + 7x * 3) + 6x * (4 + 7x)) = 0
((12 + 21x) + 6x * (4 + 7x)) = 0
(12 + 21x + (4 * 6x + 7x * 6x)) = 0
(12 + 21x + (24x + 42x2)) = 0

Combine like terms: 21x + 24x = 45x
(12 + 45x + 42x2) = 0

Solving
12 + 45x + 42x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(4 + 15x + 14x2) = 0

Factor a trinomial.
3((4 + 7x)(1 + 2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(4 + 7x)' equal to zero and attempt to solve: Simplifying 4 + 7x = 0 Solving 4 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 7x = 0 + -4 7x = 0 + -4 Combine like terms: 0 + -4 = -4 7x = -4 Divide each side by '7'. x = -0.5714285714 Simplifying x = -0.5714285714

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {-0.5714285714, -0.5}

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