7x^3-21x^2-1666x=0

Simple and best practice solution for 7x^3-21x^2-1666x=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 7x^3-21x^2-1666x=0 equation:


Simplifying
7x3 + -21x2 + -1666x = 0

Reorder the terms:
-1666x + -21x2 + 7x3 = 0

Solving
-1666x + -21x2 + 7x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7x'.
7x(-238 + -3x + x2) = 0

Factor a trinomial.
7x((-14 + -1x)(17 + -1x)) = 0

Ignore the factor 7.

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 '(-14 + -1x)' equal to zero and attempt to solve: Simplifying -14 + -1x = 0 Solving -14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + -1x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + -1x = 0 + 14 -1x = 0 + 14 Combine like terms: 0 + 14 = 14 -1x = 14 Divide each side by '-1'. x = -14 Simplifying x = -14

Subproblem 3

Set the factor '(17 + -1x)' equal to zero and attempt to solve: Simplifying 17 + -1x = 0 Solving 17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1x = 0 + -17 -1x = 0 + -17 Combine like terms: 0 + -17 = -17 -1x = -17 Divide each side by '-1'. x = 17 Simplifying x = 17

Solution

x = {0, -14, 17}

See similar equations:

| -16t^2+144+7=0 | | 23n^2-19n-42=0 | | 3(x+1)=2(x^2+2x+9) | | 8(35x-5)+36=9(6x+20)-15 | | B=15-a | | 5(40x-7)+40=10(32x+12)-5 | | -(2x-7)=7 | | 21+6u=9u | | sin(0+x)=-1.41421356 | | 30x-15/5 | | U=12-5u | | 3(x+4)5x(11+3)=12 | | x+37=42 | | 10y=5y+30 | | 7-5+11= | | 16(8x-35)+13=20(5x+10)-8 | | 21(x/3)-6 | | 72-v=7v | | x^3+5x=4 | | 14(40x-38)+15=22(8x+17)-2 | | 4y-16=6x | | Logx=-0.763 | | 5+5+6+x=11 | | 4y-9=y+15 | | 117=x+(x-20) | | Log(x-1)-1=-log(x+2) | | 0.08(x-10)= | | x^12=x^13-4 | | z=7(x+h) | | 5/7p=-1/2 | | 20x-(7x-9)=48 | | 5(k+7)-(4k+9)=2 |

Equations solver categories