(10x+3)(4x+2)=

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Solution for (10x+3)(4x+2)= equation:


Simplifying
(10x + 3)(4x + 2) = 0

Reorder the terms:
(3 + 10x)(4x + 2) = 0

Reorder the terms:
(3 + 10x)(2 + 4x) = 0

Multiply (3 + 10x) * (2 + 4x)
(3(2 + 4x) + 10x * (2 + 4x)) = 0
((2 * 3 + 4x * 3) + 10x * (2 + 4x)) = 0
((6 + 12x) + 10x * (2 + 4x)) = 0
(6 + 12x + (2 * 10x + 4x * 10x)) = 0
(6 + 12x + (20x + 40x2)) = 0

Combine like terms: 12x + 20x = 32x
(6 + 32x + 40x2) = 0

Solving
6 + 32x + 40x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + 16x + 20x2) = 0

Factor a trinomial.
2((1 + 2x)(3 + 10x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-0.5, -0.3}

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