0=-3x^4-24x^3-45x^2

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Solution for 0=-3x^4-24x^3-45x^2 equation:


Simplifying
0 = -3x4 + -24x3 + -45x2

Reorder the terms:
0 = -45x2 + -24x3 + -3x4

Solving
0 = -45x2 + -24x3 + -3x4

Solving for variable 'x'.
Remove the zero:
45x2 + 24x3 + 3x4 = -45x2 + -24x3 + -3x4 + 45x2 + 24x3 + 3x4

Reorder the terms:
45x2 + 24x3 + 3x4 = -45x2 + 45x2 + -24x3 + 24x3 + -3x4 + 3x4

Combine like terms: -45x2 + 45x2 = 0
45x2 + 24x3 + 3x4 = 0 + -24x3 + 24x3 + -3x4 + 3x4
45x2 + 24x3 + 3x4 = -24x3 + 24x3 + -3x4 + 3x4

Combine like terms: -24x3 + 24x3 = 0
45x2 + 24x3 + 3x4 = 0 + -3x4 + 3x4
45x2 + 24x3 + 3x4 = -3x4 + 3x4

Combine like terms: -3x4 + 3x4 = 0
45x2 + 24x3 + 3x4 = 0

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(15 + 8x + x2) = 0

Factor a trinomial.
3x2((5 + x)(3 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

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

Subproblem 3

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {0, -5, -3}

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