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

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


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

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

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

Multiply (7 + 4x) * (-6 + 7x)
(7(-6 + 7x) + 4x * (-6 + 7x)) = 0
((-6 * 7 + 7x * 7) + 4x * (-6 + 7x)) = 0
((-42 + 49x) + 4x * (-6 + 7x)) = 0
(-42 + 49x + (-6 * 4x + 7x * 4x)) = 0
(-42 + 49x + (-24x + 28x2)) = 0

Combine like terms: 49x + -24x = 25x
(-42 + 25x + 28x2) = 0

Solving
-42 + 25x + 28x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -4x)(6 + -7x) = 0

Subproblem 1

Set the factor '(-7 + -4x)' equal to zero and attempt to solve: Simplifying -7 + -4x = 0 Solving -7 + -4x = 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 + -4x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -4x = 0 + 7 -4x = 0 + 7 Combine like terms: 0 + 7 = 7 -4x = 7 Divide each side by '-4'. x = -1.75 Simplifying x = -1.75

Subproblem 2

Set the factor '(6 + -7x)' equal to zero and attempt to solve: Simplifying 6 + -7x = 0 Solving 6 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -7x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -7x = 0 + -6 -7x = 0 + -6 Combine like terms: 0 + -6 = -6 -7x = -6 Divide each side by '-7'. x = 0.8571428571 Simplifying x = 0.8571428571

Solution

x = {-1.75, 0.8571428571}

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