x(3x+10)=13

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Solution for x(3x+10)=13 equation:


Simplifying
x(3x + 10) = 13

Reorder the terms:
x(10 + 3x) = 13
(10 * x + 3x * x) = 13
(10x + 3x2) = 13

Solving
10x + 3x2 = 13

Solving for variable 'x'.

Reorder the terms:
-13 + 10x + 3x2 = 13 + -13

Combine like terms: 13 + -13 = 0
-13 + 10x + 3x2 = 0

Factor a trinomial.
(-13 + -3x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-13 + -3x)' equal to zero and attempt to solve: Simplifying -13 + -3x = 0 Solving -13 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + -3x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -3x = 0 + 13 -3x = 0 + 13 Combine like terms: 0 + 13 = 13 -3x = 13 Divide each side by '-3'. x = -4.333333333 Simplifying x = -4.333333333

Subproblem 2

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

Solution

x = {-4.333333333, 1}

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