(8x+3)(5x-1)=

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Solution for (8x+3)(5x-1)= equation:


Simplifying
(8x + 3)(5x + -1) = 0

Reorder the terms:
(3 + 8x)(5x + -1) = 0

Reorder the terms:
(3 + 8x)(-1 + 5x) = 0

Multiply (3 + 8x) * (-1 + 5x)
(3(-1 + 5x) + 8x * (-1 + 5x)) = 0
((-1 * 3 + 5x * 3) + 8x * (-1 + 5x)) = 0
((-3 + 15x) + 8x * (-1 + 5x)) = 0
(-3 + 15x + (-1 * 8x + 5x * 8x)) = 0
(-3 + 15x + (-8x + 40x2)) = 0

Combine like terms: 15x + -8x = 7x
(-3 + 7x + 40x2) = 0

Solving
-3 + 7x + 40x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -8x)(1 + -5x) = 0

Subproblem 1

Set the factor '(-3 + -8x)' equal to zero and attempt to solve: Simplifying -3 + -8x = 0 Solving -3 + -8x = 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 + -8x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -8x = 0 + 3 -8x = 0 + 3 Combine like terms: 0 + 3 = 3 -8x = 3 Divide each side by '-8'. x = -0.375 Simplifying x = -0.375

Subproblem 2

Set the factor '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 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 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {-0.375, 0.2}

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