0=7x^3-16x^2-15x

Simple and best practice solution for 0=7x^3-16x^2-15x 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 0=7x^3-16x^2-15x equation:


Simplifying
0 = 7x3 + -16x2 + -15x

Reorder the terms:
0 = -15x + -16x2 + 7x3

Solving
0 = -15x + -16x2 + 7x3

Solving for variable 'x'.
Remove the zero:
15x + 16x2 + -7x3 = -15x + -16x2 + 7x3 + 15x + 16x2 + -7x3

Reorder the terms:
15x + 16x2 + -7x3 = -15x + 15x + -16x2 + 16x2 + 7x3 + -7x3

Combine like terms: -15x + 15x = 0
15x + 16x2 + -7x3 = 0 + -16x2 + 16x2 + 7x3 + -7x3
15x + 16x2 + -7x3 = -16x2 + 16x2 + 7x3 + -7x3

Combine like terms: -16x2 + 16x2 = 0
15x + 16x2 + -7x3 = 0 + 7x3 + -7x3
15x + 16x2 + -7x3 = 7x3 + -7x3

Combine like terms: 7x3 + -7x3 = 0
15x + 16x2 + -7x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(15 + 16x + -7x2) = 0

Factor a trinomial.
x((3 + -1x)(5 + 7x)) = 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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 3

Set the factor '(5 + 7x)' equal to zero and attempt to solve: Simplifying 5 + 7x = 0 Solving 5 + 7x = 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 + 7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 7x = 0 + -5 7x = 0 + -5 Combine like terms: 0 + -5 = -5 7x = -5 Divide each side by '7'. x = -0.7142857143 Simplifying x = -0.7142857143

Solution

x = {0, 3, -0.7142857143}

See similar equations:

| -9+12x=6x+87 | | 2[ln(x^2+4)]=3.9 | | 25+2=12whatisy | | -9(-2n-5)+11=7n+8n-4 | | 6(8x-11)=0 | | 0=10s^2+27s-28 | | 14x+2+4y+148=360 | | 6x+3(6-x)=21 | | 11t=-6(-2t-19)-4t | | 84-20x=20x-6 | | .6x+4=1.4x-14 | | -50+8+x=-1+5 | | 22+4y-14= | | 9-6=3-5x | | 5(3x+7)=10(x-1) | | -12x-13=-1 | | 0=6a^2+19a-36 | | a-2b-5c=0 | | 35+11x=2 | | 19.7-8.1p=6.1p-16.9p-18.64 | | 5=6x-5x+4 | | 2q^4-162=0 | | 2*(3x-(5+(6x-9)))-3*(4x+7)=3*(4-(5x+2))-1 | | -12x+18=8x-82 | | 11(x+3)-(x+5)=68 | | 8(x+5)+6(x-2)=42 | | 2(3x+5)=-144 | | -16.8h-14.48=-14.7h+12.82 | | 3(1x-1)=3x-3 | | 17x=12x+20 | | 4(31-x)+2=98 | | 4(31-x)=98 |

Equations solver categories