x^3-3x^2+7x+a=0

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


Simplifying
x3 + -3x2 + 7x + a = 0

Reorder the terms:
a + 7x + -3x2 + x3 = 0

Solving
a + 7x + -3x2 + x3 = 0

Solving for variable 'a'.

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

Add '-7x' to each side of the equation.
a + 7x + -3x2 + -7x + x3 = 0 + -7x

Reorder the terms:
a + 7x + -7x + -3x2 + x3 = 0 + -7x

Combine like terms: 7x + -7x = 0
a + 0 + -3x2 + x3 = 0 + -7x
a + -3x2 + x3 = 0 + -7x
Remove the zero:
a + -3x2 + x3 = -7x

Add '3x2' to each side of the equation.
a + -3x2 + 3x2 + x3 = -7x + 3x2

Combine like terms: -3x2 + 3x2 = 0
a + 0 + x3 = -7x + 3x2
a + x3 = -7x + 3x2

Add '-1x3' to each side of the equation.
a + x3 + -1x3 = -7x + 3x2 + -1x3

Combine like terms: x3 + -1x3 = 0
a + 0 = -7x + 3x2 + -1x3
a = -7x + 3x2 + -1x3

Simplifying
a = -7x + 3x2 + -1x3

See similar equations:

| (x-100)/16=-1.28 | | 2-3x=X-4x-2 | | (x-100)/16=1.28 | | -3x+3=-27 | | 7x+1/x+4-x-11/x+4=0 | | 540-54y=918 | | -3x+33=-27 | | (7+3c)+(3+2x)= | | (x-100)/16=-0.52 | | 5a+7b=3a+5b | | 70=11x+6+5x | | 7-6x^2=-33 | | (x-100)/16=1.65 | | 6x^2+2xy-3x-y=0 | | 2sinX+5cosX=3 | | x=169-3 | | 2sinX-5cosX-3=0 | | 11x-8=40+5x | | n=1710 | | x/4=-4.8 | | 2u+1=7 | | x^3-4x^2-17x=-60 | | 21y=14 | | 5p+4(2p+1)=7p+3(2p+5)-11 | | 2x-4(x-2)=x-4 | | y=(6x-1)/5 | | 0.2+0.05=4.2 | | 1/2=3°x | | 0.4x^2+3x=-x+10 | | 3m+20=5m | | -4x(3x+2)=-12 | | -2-x=-2x+1 |

Equations solver categories