(5x^3-2x^2+4x)+(2x^3+9x^2-11x)=

Simple and best practice solution for (5x^3-2x^2+4x)+(2x^3+9x^2-11x)= 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 (5x^3-2x^2+4x)+(2x^3+9x^2-11x)= equation:


Simplifying
(5x3 + -2x2 + 4x) + (2x3 + 9x2 + -11x) = 0

Reorder the terms:
(4x + -2x2 + 5x3) + (2x3 + 9x2 + -11x) = 0

Remove parenthesis around (4x + -2x2 + 5x3)
4x + -2x2 + 5x3 + (2x3 + 9x2 + -11x) = 0

Reorder the terms:
4x + -2x2 + 5x3 + (-11x + 9x2 + 2x3) = 0

Remove parenthesis around (-11x + 9x2 + 2x3)
4x + -2x2 + 5x3 + -11x + 9x2 + 2x3 = 0

Reorder the terms:
4x + -11x + -2x2 + 9x2 + 5x3 + 2x3 = 0

Combine like terms: 4x + -11x = -7x
-7x + -2x2 + 9x2 + 5x3 + 2x3 = 0

Combine like terms: -2x2 + 9x2 = 7x2
-7x + 7x2 + 5x3 + 2x3 = 0

Combine like terms: 5x3 + 2x3 = 7x3
-7x + 7x2 + 7x3 = 0

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

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7x'.
7x(-1 + x + x2) = 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 '(-1 + x + x2)' equal to zero and attempt to solve: Simplifying -1 + x + x2 = 0 Solving -1 + x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '1' to each side of the equation. -1 + x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + x + x2 = 0 + 1 x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 x + x2 = 1 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = 1 + 0.25 Reorder the terms: 0.25 + x + x2 = 1 + 0.25 Combine like terms: 1 + 0.25 = 1.25 0.25 + x + x2 = 1.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 1.25 Calculate the square root of the right side: 1.118033989 Break this problem into two subproblems by setting (x + 0.5) equal to 1.118033989 and -1.118033989.

Subproblem 1

x + 0.5 = 1.118033989 Simplifying x + 0.5 = 1.118033989 Reorder the terms: 0.5 + x = 1.118033989 Solving 0.5 + x = 1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 1.118033989 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 1.118033989 + -0.5 x = 1.118033989 + -0.5 Combine like terms: 1.118033989 + -0.5 = 0.618033989 x = 0.618033989 Simplifying x = 0.618033989

Subproblem 2

x + 0.5 = -1.118033989 Simplifying x + 0.5 = -1.118033989 Reorder the terms: 0.5 + x = -1.118033989 Solving 0.5 + x = -1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -1.118033989 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -1.118033989 + -0.5 x = -1.118033989 + -0.5 Combine like terms: -1.118033989 + -0.5 = -1.618033989 x = -1.618033989 Simplifying x = -1.618033989

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.618033989, -1.618033989}

Solution

x = {0, 0.618033989, -1.618033989}

See similar equations:

| 8(q-5)+5q=14(q-4) | | x(x-4)(x-3)=0 | | 9x^4-30x^3+25x^2=0 | | S=640-0.50(640) | | S=640-0.50P | | 5m-3=10m-33 | | =(x+2)(x^2-16x+80) | | 35x^2-24+4=0 | | 7x(x+4)=0 | | 2x^2-8x+15=0 | | 5m-5=10-45 | | 5.9+0.6*-0.4= | | x+6y=-31 | | v^3-27= | | 14x^2-6y^2-10z^2=81 | | 4x+6y=-52 | | x^2-19x-8=0 | | 25+0.50x=129 | | =(x-7-5i)(x-7+5i) | | x^2+11x+37=7 | | x^2-24x-10=0 | | =(x+4)(x-7-5i)(x-7+5i) | | 7r-(2r+8)=32 | | x^2+11x+31=7 | | X^2-24x=10 | | 3u^2-2=-u | | x^2+x-51=0 | | 0.6*-0.4= | | x-x=20 | | 400+a^2=b^2 | | 0.4*-0.4= | | =(x+4)(x^2-80x+16) |

Equations solver categories