x^3+4x^2-19x=0

Simple and best practice solution for x^3+4x^2-19x=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^3+4x^2-19x=0 equation:


Simplifying
x3 + 4x2 + -19x = 0

Reorder the terms:
-19x + 4x2 + x3 = 0

Solving
-19x + 4x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-19 + 4x + 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 '(-19 + 4x + x2)' equal to zero and attempt to solve: Simplifying -19 + 4x + x2 = 0 Solving -19 + 4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '19' to each side of the equation. -19 + 4x + 19 + x2 = 0 + 19 Reorder the terms: -19 + 19 + 4x + x2 = 0 + 19 Combine like terms: -19 + 19 = 0 0 + 4x + x2 = 0 + 19 4x + x2 = 0 + 19 Combine like terms: 0 + 19 = 19 4x + x2 = 19 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = 19 + 4 Reorder the terms: 4 + 4x + x2 = 19 + 4 Combine like terms: 19 + 4 = 23 4 + 4x + x2 = 23 Factor a perfect square on the left side: (x + 2)(x + 2) = 23 Calculate the square root of the right side: 4.795831523 Break this problem into two subproblems by setting (x + 2) equal to 4.795831523 and -4.795831523.

Subproblem 1

x + 2 = 4.795831523 Simplifying x + 2 = 4.795831523 Reorder the terms: 2 + x = 4.795831523 Solving 2 + x = 4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 4.795831523 + -2 Combine like terms: 2 + -2 = 0 0 + x = 4.795831523 + -2 x = 4.795831523 + -2 Combine like terms: 4.795831523 + -2 = 2.795831523 x = 2.795831523 Simplifying x = 2.795831523

Subproblem 2

x + 2 = -4.795831523 Simplifying x + 2 = -4.795831523 Reorder the terms: 2 + x = -4.795831523 Solving 2 + x = -4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -4.795831523 + -2 Combine like terms: 2 + -2 = 0 0 + x = -4.795831523 + -2 x = -4.795831523 + -2 Combine like terms: -4.795831523 + -2 = -6.795831523 x = -6.795831523 Simplifying x = -6.795831523

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.795831523, -6.795831523}

Solution

x = {0, 2.795831523, -6.795831523}

See similar equations:

| 2.9q-3.5-5.2q=-3.3q-3.4 | | -2+x=-33 | | -3(x+3)+3=-15(x+2) | | 2(3m-1)-m=28 | | 6x^2+12x-5=0 | | 25(-2x+10)+30(5x+10)=-350 | | 5m+2(3m+5)=28 | | -18+a=-8 | | -8y+6=9y+2 | | (x+4)(7-x)=0 | | 0.25x-6=0.375x | | 60-2(c-1)=82 | | 5(5x-10)-5+3(5x+10)=375 | | 4x^4-2x^2-4=2 | | 15+x=4 | | 2(7x+2)+5=65 | | 5c-14=8c+4 | | 4(12+z)=-192 | | -4(2x+3)+5=-15 | | 6+n=17 | | 3(2x+2)+4x+2=-12 | | -5(x+2)-3=7 | | n+11.2=25 | | -x+0.6-2x=-4x-0.9 | | (3x+9)-(5x-8)=0 | | -4x-2x-6x=108 | | T+-1=-20 | | 11x+9-3=10x-4 | | Y+-10=-3 | | -6y+7=-7y+3 | | -40x-2x+76x-14=20 | | 0.5x=0.4+0.1x |

Equations solver categories