(4x+3)(7x-5)=

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Solution for (4x+3)(7x-5)= equation:


Simplifying
(4x + 3)(7x + -5) = 0

Reorder the terms:
(3 + 4x)(7x + -5) = 0

Reorder the terms:
(3 + 4x)(-5 + 7x) = 0

Multiply (3 + 4x) * (-5 + 7x)
(3(-5 + 7x) + 4x * (-5 + 7x)) = 0
((-5 * 3 + 7x * 3) + 4x * (-5 + 7x)) = 0
((-15 + 21x) + 4x * (-5 + 7x)) = 0
(-15 + 21x + (-5 * 4x + 7x * 4x)) = 0
(-15 + 21x + (-20x + 28x2)) = 0

Combine like terms: 21x + -20x = 1x
(-15 + 1x + 28x2) = 0

Solving
-15 + 1x + 28x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -4x)(5 + -7x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Solution

x = {-0.75, 0.7142857143}

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