5x(3x+1)=10

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Solution for 5x(3x+1)=10 equation:


Simplifying
5x(3x + 1) = 10

Reorder the terms:
5x(1 + 3x) = 10
(1 * 5x + 3x * 5x) = 10
(5x + 15x2) = 10

Solving
5x + 15x2 = 10

Solving for variable 'x'.

Reorder the terms:
-10 + 5x + 15x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + 5x + 15x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-2 + x + 3x2) = 0

Factor a trinomial.
5((-1 + -1x)(2 + -3x)) = 0

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-1, 0.6666666667}

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