x^3+18x^2=2x^2-64x

Simple and best practice solution for x^3+18x^2=2x^2-64x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^3+18x^2=2x^2-64x equation:


Simplifying
x3 + 18x2 = 2x2 + -64x

Reorder the terms:
18x2 + x3 = 2x2 + -64x

Reorder the terms:
18x2 + x3 = -64x + 2x2

Solving
18x2 + x3 = -64x + 2x2

Solving for variable 'x'.

Reorder the terms:
64x + 18x2 + -2x2 + x3 = -64x + 2x2 + 64x + -2x2

Combine like terms: 18x2 + -2x2 = 16x2
64x + 16x2 + x3 = -64x + 2x2 + 64x + -2x2

Reorder the terms:
64x + 16x2 + x3 = -64x + 64x + 2x2 + -2x2

Combine like terms: -64x + 64x = 0
64x + 16x2 + x3 = 0 + 2x2 + -2x2
64x + 16x2 + x3 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
64x + 16x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(64 + 16x + x2) = 0

Factor a trinomial.
x((8 + x)(8 + x)) = 0

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 '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Subproblem 3

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {0, -8, -8}

See similar equations:

| -6+7(12x)=204+63x | | 2x^2-3x+1-2= | | 4u^2-64u+156=0 | | 5+3.3=7.2 | | 17.7=x+x | | Love=life | | 5x-3=-36 | | 6x-5+9x=10-3x | | 1/5n=-2 | | 7.5-2a=20 | | 9w+1=9(q-3) | | 52+g=12 | | .50(6g+2)=12 | | t^2-14t+15=0 | | 7x+5(x-8)=6x+2 | | 3x^2+16y=0 | | 4x-2(x-3)=-8+4x-2 | | 6(x-4)-3(x+7)=7 | | 4(7x-1)=-4 | | .75x+.50y=200 | | 5/11=x/60 | | 5/2x-x | | 12.73+0.06x=13.48-0.14x | | (5x+3)(10x-2)=56x^2 | | 56.5+4.00x+111.50=180 | | 2x+12+3x-7=180 | | 1/2x-18=58 | | 4.20=2.5m | | 9d-2-3=-22 | | -4y^2+40y=28 | | 4q+4-q=2(q-3) | | -16+3(x+2)=5(x-3) |

Equations solver categories