0=x^3+14x^2+45x

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Solution for 0=x^3+14x^2+45x equation:


Simplifying
0 = x3 + 14x2 + 45x

Reorder the terms:
0 = 45x + 14x2 + x3

Solving
0 = 45x + 14x2 + x3

Solving for variable 'x'.
Remove the zero:
-45x + -14x2 + -1x3 = 45x + 14x2 + x3 + -45x + -14x2 + -1x3

Reorder the terms:
-45x + -14x2 + -1x3 = 45x + -45x + 14x2 + -14x2 + x3 + -1x3

Combine like terms: 45x + -45x = 0
-45x + -14x2 + -1x3 = 0 + 14x2 + -14x2 + x3 + -1x3
-45x + -14x2 + -1x3 = 14x2 + -14x2 + x3 + -1x3

Combine like terms: 14x2 + -14x2 = 0
-45x + -14x2 + -1x3 = 0 + x3 + -1x3
-45x + -14x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-45x + -14x2 + -1x3 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(45 + 14x + x2) = 0

Factor a trinomial.
-1x((9 + x)(5 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Subproblem 3

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {0, -9, -5}

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