-3x+x^3=4x

Simple and best practice solution for -3x+x^3=4x 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 -3x+x^3=4x equation:


Simplifying
-3x + x3 = 4x

Solving
-3x + x3 = 4x

Solving for variable 'x'.

Reorder the terms:
-3x + -4x + x3 = 4x + -4x

Combine like terms: -3x + -4x = -7x
-7x + x3 = 4x + -4x

Combine like terms: 4x + -4x = 0
-7x + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + x2) = 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 '(-7 + x2)' equal to zero and attempt to solve: Simplifying -7 + x2 = 0 Solving -7 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + x2 = 0 + 7 x2 = 0 + 7 Combine like terms: 0 + 7 = 7 x2 = 7 Simplifying x2 = 7 Take the square root of each side: x = {-2.645751311, 2.645751311}

Solution

x = {0, -2.645751311, 2.645751311}

See similar equations:

| 2(5x-2)=32 | | 4+(6x-5)-3(x+2)+2(3x-5)=5(3x-2) | | 12=2g+4 | | 16-r/t=21 | | -7/8x-6=8/3x-14 | | 2n+39=8n-3 | | 14m=6 | | 2m+n=9 | | Y=7/4(2)-2 | | 1.5a+6=9a+132 | | 3x-2*5-2x=11 | | 5x-(4x+3)+3(2x+1)=2x-5(3x+4) | | 37+82+x=180 | | 20=4x/5 | | 4(x+6)-3=4x+21 | | 3x-16=5x+4 | | 130+(x-5)+(x+30)+(x-35)+75=540 | | 3n+50=5n-10 | | 4(a+3)=12+14a | | x/10-1=-7 | | 2x+X+4=1 | | -2(x+4)+(3x-5)-(4x+1)=2x-5(2x+3) | | 2/3(x-3)=-2 | | 86.4=8(m+3.2) | | 5+5k-5=5 | | x^2+10x+18=x+4is-7findzero | | g*2-6g+5=-3 | | y=0.1558x+1.9895 | | 9x+5=17-3x | | z^4+6z^2+8=0 | | 2(x-1)+5=5 | | 2=2y/5 |

Equations solver categories