X^3+3x^2-9x-12=4x+3

Simple and best practice solution for X^3+3x^2-9x-12=4x+3 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+3x^2-9x-12=4x+3 equation: 


Simplifying
X3 + 3x2 + -9x + -12 = 4x + 3

Reorder the terms:
-12 + X3 + -9x + 3x2 = 4x + 3

Reorder the terms:
-12 + X3 + -9x + 3x2 = 3 + 4x

Solving
-12 + X3 + -9x + 3x2 = 3 + 4x

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + X3 + -9x + 12 + 3x2 = 3 + 12 + 4x

Reorder the terms:
-12 + 12 + X3 + -9x + 3x2 = 3 + 12 + 4x

Combine like terms: -12 + 12 = 0
0 + X3 + -9x + 3x2 = 3 + 12 + 4x
X3 + -9x + 3x2 = 3 + 12 + 4x

Combine like terms: 3 + 12 = 15
X3 + -9x + 3x2 = 15 + 4x

Add '9x' to each side of the equation.
X3 + -9x + 9x + 3x2 = 15 + 4x + 9x

Combine like terms: -9x + 9x = 0
X3 + 0 + 3x2 = 15 + 4x + 9x
X3 + 3x2 = 15 + 4x + 9x

Combine like terms: 4x + 9x = 13x
X3 + 3x2 = 15 + 13x

Add '-3x2' to each side of the equation.
X3 + 3x2 + -3x2 = 15 + 13x + -3x2

Combine like terms: 3x2 + -3x2 = 0
X3 + 0 = 15 + 13x + -3x2
X3 = 15 + 13x + -3x2

Simplifying
X3 = 15 + 13x + -3x2

Reorder the terms:
-15 + X3 + -13x + 3x2 = 15 + 13x + -3x2 + -15 + -13x + 3x2

Reorder the terms:
-15 + X3 + -13x + 3x2 = 15 + -15 + 13x + -13x + -3x2 + 3x2

Combine like terms: 15 + -15 = 0
-15 + X3 + -13x + 3x2 = 0 + 13x + -13x + -3x2 + 3x2
-15 + X3 + -13x + 3x2 = 13x + -13x + -3x2 + 3x2

Combine like terms: 13x + -13x = 0
-15 + X3 + -13x + 3x2 = 0 + -3x2 + 3x2
-15 + X3 + -13x + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-15 + X3 + -13x + 3x2 = 0

The solution to this equation could not be determined.

See similar equations:

| g(x)=3x+27 | | 15x+1=8x-3 | | 5a-3=95 | | 6l+8=64 | | (x+4)(x^2-8x+3)= | | f(x)=-10x+9 | | X+4=-8X | | 7-8/9x8 | | 29.99/3 | | 10s+8=287 | | 4(X-4)=2(X-4)+2x | | -4+23=m-10 | | 2z-18=16 | | 3/10.01 | | c-7.6=-9 | | 7(5)+5x=35 | | 10.01/3 | | (m-n+k)(m+9n-9k)= | | -2.8x-1=2.5x+2 | | 9C-2=7C+4+2 | | 25-5x=5-7x | | 9x+4y^2=0 | | l-2x+6l=-4x+10 | | -4/7*7 | | 2ln(x-3)-3=0 | | -28/7 | | 2x-3(-2)=10 | | 8x+17=5x+2 | | 4x^2+6x-7=5 | | 2(-1)-3y=10 | | -6x-2=10-2x | | 20+8r=-4+4r |

Equations solver categories