(8x-3)(10x+3)=

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Solution for (8x-3)(10x+3)= equation:


Simplifying
(8x + -3)(10x + 3) = 0

Reorder the terms:
(-3 + 8x)(10x + 3) = 0

Reorder the terms:
(-3 + 8x)(3 + 10x) = 0

Multiply (-3 + 8x) * (3 + 10x)
(-3(3 + 10x) + 8x * (3 + 10x)) = 0
((3 * -3 + 10x * -3) + 8x * (3 + 10x)) = 0
((-9 + -30x) + 8x * (3 + 10x)) = 0
(-9 + -30x + (3 * 8x + 10x * 8x)) = 0
(-9 + -30x + (24x + 80x2)) = 0

Combine like terms: -30x + 24x = -6x
(-9 + -6x + 80x2) = 0

Solving
-9 + -6x + 80x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -10x)(3 + -8x) = 0

Subproblem 1

Set the factor '(-3 + -10x)' equal to zero and attempt to solve: Simplifying -3 + -10x = 0 Solving -3 + -10x = 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 + -10x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -10x = 0 + 3 -10x = 0 + 3 Combine like terms: 0 + 3 = 3 -10x = 3 Divide each side by '-10'. x = -0.3 Simplifying x = -0.3

Subproblem 2

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

Solution

x = {-0.3, 0.375}

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