X^3+7x^2-9x-15=0

Simple and best practice solution for X^3+7x^2-9x-15=0 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+7x^2-9x-15=0 equation:


Simplifying
X3 + 7x2 + -9x + -15 = 0

Reorder the terms:
-15 + X3 + -9x + 7x2 = 0

Solving
-15 + X3 + -9x + 7x2 = 0

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + X3 + -9x + 15 + 7x2 = 0 + 15

Reorder the terms:
-15 + 15 + X3 + -9x + 7x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + X3 + -9x + 7x2 = 0 + 15
X3 + -9x + 7x2 = 0 + 15

Combine like terms: 0 + 15 = 15
X3 + -9x + 7x2 = 15

Add '9x' to each side of the equation.
X3 + -9x + 9x + 7x2 = 15 + 9x

Combine like terms: -9x + 9x = 0
X3 + 0 + 7x2 = 15 + 9x
X3 + 7x2 = 15 + 9x

Add '-7x2' to each side of the equation.
X3 + 7x2 + -7x2 = 15 + 9x + -7x2

Combine like terms: 7x2 + -7x2 = 0
X3 + 0 = 15 + 9x + -7x2
X3 = 15 + 9x + -7x2

Simplifying
X3 = 15 + 9x + -7x2

Reorder the terms:
-15 + X3 + -9x + 7x2 = 15 + 9x + -7x2 + -15 + -9x + 7x2

Reorder the terms:
-15 + X3 + -9x + 7x2 = 15 + -15 + 9x + -9x + -7x2 + 7x2

Combine like terms: 15 + -15 = 0
-15 + X3 + -9x + 7x2 = 0 + 9x + -9x + -7x2 + 7x2
-15 + X3 + -9x + 7x2 = 9x + -9x + -7x2 + 7x2

Combine like terms: 9x + -9x = 0
-15 + X3 + -9x + 7x2 = 0 + -7x2 + 7x2
-15 + X3 + -9x + 7x2 = -7x2 + 7x2

Combine like terms: -7x2 + 7x2 = 0
-15 + X3 + -9x + 7x2 = 0

The solution to this equation could not be determined.

See similar equations:

| .07x+.05(x-1900)=253 | | X^3-19x^2-3x+17=0 | | 3(x+8)=2(x-9) | | 5-12y=0 | | 2(x+2)=3(2x+8) | | X=10.5 | | 97-5x=10x-22 | | X=27+2x | | X-15=2x+12 | | f(x)=2.5x+8 | | P=4(3) | | 5x+8=x-5 | | 12-2x=-11 | | 3=4s | | 87558769548678272963896422342343462473267-x=8758569756843783478337846894789 | | 11x+7=-4x+7 | | 3+x=4654565456656767 | | -4(k-9)-(-5k-9)=9 | | 2ab=b+50forb | | 6w-15+2w=-w+3 | | 4x*3x=5 | | y^2-4y-6x+13=0 | | 12t+13t+12=-5t+72 | | 36t=72 | | 12f+12=-3f+27 | | In(4+2x)=2.5 | | N=m+cform | | -6.6=.5x | | y^4-8y^2=-7 | | -7x+19=8y | | 2x+2y+2z-2=-x+y+z+10 | | 2x-50=6 |

Equations solver categories