21x^4-111x^3+30x^2=

Simple and best practice solution for 21x^4-111x^3+30x^2= 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 21x^4-111x^3+30x^2= equation:


Simplifying
21x4 + -111x3 + 30x2 = 0

Reorder the terms:
30x2 + -111x3 + 21x4 = 0

Solving
30x2 + -111x3 + 21x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(10 + -37x + 7x2) = 0

Factor a trinomial.
3x2((2 + -7x)(5 + -1x)) = 0

Ignore the factor 3.

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 '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Subproblem 3

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0, 0.2857142857, 5}

See similar equations:

| -4m=3 | | 12b^2+3b=0 | | 12y^3+11y^2+2y= | | 1x=17 | | 4y^2+54y-90= | | 15x^2-5x-10= | | 14x^2-53xy+14y^2= | | 5a^2+7ab+2b^2= | | 6x^2+5xy-6y^2= | | -11y=21 | | c=20r+10(40-r) | | 3a^2-8ab-28b^2= | | 4(4x-4)=2(8x+7) | | 12x^2+23xy+5y^2= | | 12x+14x+5=125 | | 6x-15y=105 | | sx+9=x-23 | | (x-10)=6 | | 4*4/3= | | 2(1d+5)=3(1d-2) | | 4/4/3= | | 100x^2-60x-39=0 | | 3m-2(5+m)+5m= | | 35u^2+44u-7=0 | | 6x^8-4x^7= | | (5x-3)(5x-3)=51 | | 15/32*28/75= | | 54y^3-128=x | | x^2-5x+2=n+1 | | 5u^2-53uv+72v^2=0 | | 4n^2-4n+1=0 | | 6(x-4)+x+30-7x= |

Equations solver categories