x(2+3x)=320

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Solution for x(2+3x)=320 equation:


Simplifying
x(2 + 3x) = 320
(2 * x + 3x * x) = 320
(2x + 3x2) = 320

Solving
2x + 3x2 = 320

Solving for variable 'x'.

Reorder the terms:
-320 + 2x + 3x2 = 320 + -320

Combine like terms: 320 + -320 = 0
-320 + 2x + 3x2 = 0

Factor a trinomial.
(-32 + -3x)(10 + -1x) = 0

Subproblem 1

Set the factor '(-32 + -3x)' equal to zero and attempt to solve: Simplifying -32 + -3x = 0 Solving -32 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + -3x = 0 + 32 Combine like terms: -32 + 32 = 0 0 + -3x = 0 + 32 -3x = 0 + 32 Combine like terms: 0 + 32 = 32 -3x = 32 Divide each side by '-3'. x = -10.66666667 Simplifying x = -10.66666667

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-10.66666667, 10}

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