x^4-8x^3+7x^2=0

Simple and best practice solution for x^4-8x^3+7x^2=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^4-8x^3+7x^2=0 equation:


Simplifying
x4 + -8x3 + 7x2 = 0

Reorder the terms:
7x2 + -8x3 + x4 = 0

Solving
7x2 + -8x3 + x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(7 + -8x + x2) = 0

Factor a trinomial.
x2((1 + -1x)(7 + -1x)) = 0

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 3

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {0, 1, 7}

See similar equations:

| 22.62= | | 1=7-2k | | 0.3x=0.6 | | 1/7(a+3)=1/3(5-a) | | 15x=8x | | 5x^4=700 | | -5x^2-31x-28=0 | | lnx=5.8 | | 323x^2-76v= | | 4*(x+2)=x+11 | | 6(d+3)=(d-2) | | -2v+5=9 | | 7(x+2)=x+11 | | 2(5p+3)-3(p+9)= | | 16-121j^2=0 | | 4x^3+3x^2-6x=5 | | 5h+6+h-10=12 | | 16+6= | | z=x^3-40x+20y | | A+(-20)=-20 | | (2x+3)(x-6)=90 | | -5(x-2)=x+8-6x | | Y+(-20)=-12 | | 2p^2-27p+30=0 | | -2(x+3)=3x-6-5x | | 33=3(y-5)-5y | | 5*x=3*x+10-x+20 | | 8y+6=40 | | AE=C+I+G | | 9.18=1.08y | | Y(z)=2+(4z*-1)-z*-2 | | 7x+2-5=0 |

Equations solver categories