56x^7-48x^5-40x^3=

Simple and best practice solution for 56x^7-48x^5-40x^3= 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 56x^7-48x^5-40x^3= equation: 


Simplifying
56x7 + -48x5 + -40x3 = 0

Reorder the terms:
-40x3 + -48x5 + 56x7 = 0

Solving
-40x3 + -48x5 + 56x7 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '8x3'.
8x3(-5 + -6x2 + 7x4) = 0

Ignore the factor 8.

Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve:

Simplifying
x3 = 0

Solving
x3 = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(-5 + -6x2 + 7x4)' equal to zero and attempt to solve:

Simplifying
-5 + -6x2 + 7x4 = 0

Solving
-5 + -6x2 + 7x4 = 0

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
-0.7142857143 + -0.8571428571x2 + x4 = 0

Move the constant term to the right:

Add '0.7142857143' to each side of the equation.
-0.7142857143 + -0.8571428571x2 + 0.7142857143 + x4 = 0 + 0.7142857143

Reorder the terms:
-0.7142857143 + 0.7142857143 + -0.8571428571x2 + x4 = 0 + 0.7142857143

Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000
0.0000000000 + -0.8571428571x2 + x4 = 0 + 0.7142857143
-0.8571428571x2 + x4 = 0 + 0.7142857143

Combine like terms: 0 + 0.7142857143 = 0.7142857143
-0.8571428571x2 + x4 = 0.7142857143

The x term is -0.8571428571x2.  Take half its coefficient (-0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
-0.8571428571x2 + 0.1836734694 + x4 = 0.7142857143 + 0.1836734694

Reorder the terms:
0.1836734694 + -0.8571428571x2 + x4 = 0.7142857143 + 0.1836734694

Combine like terms: 0.7142857143 + 0.1836734694 = 0.8979591837
0.1836734694 + -0.8571428571x2 + x4 = 0.8979591837

Factor a perfect square on the left side:
(x2 + -0.4285714286)(x2 + -0.4285714286) = 0.8979591837

Calculate the square root of the right side: 0.947607083

Break this problem into two subproblems by setting 
(x2 + -0.4285714286) equal to 0.947607083 and -0.947607083.


Subproblem 1
x2 + -0.4285714286 = 0.947607083

Simplifying
x2 + -0.4285714286 = 0.947607083

Reorder the terms:
-0.4285714286 + x2 = 0.947607083

Solving
-0.4285714286 + x2 = 0.947607083

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.4285714286' to each side of the equation.
-0.4285714286 + 0.4285714286 + x2 = 0.947607083 + 0.4285714286

Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000
0.0000000000 + x2 = 0.947607083 + 0.4285714286
x2 = 0.947607083 + 0.4285714286

Combine like terms: 0.947607083 + 0.4285714286 = 1.3761785116
x2 = 1.3761785116

Simplifying
x2 = 1.3761785116

Take the square root of each side:
x = {-1.173106351, 1.173106351}


Subproblem 2
x2 + -0.4285714286 = -0.947607083

Simplifying
x2 + -0.4285714286 = -0.947607083

Reorder the terms:
-0.4285714286 + x2 = -0.947607083

Solving
-0.4285714286 + x2 = -0.947607083

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.4285714286' to each side of the equation.
-0.4285714286 + 0.4285714286 + x2 = -0.947607083 + 0.4285714286

Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000
0.0000000000 + x2 = -0.947607083 + 0.4285714286
x2 = -0.947607083 + 0.4285714286

Combine like terms: -0.947607083 + 0.4285714286 = -0.5190356544
x2 = -0.5190356544

Simplifying
x2 = -0.5190356544

Reorder the terms:
0.5190356544 + x2 = -0.5190356544 + 0.5190356544

Combine like terms: -0.5190356544 + 0.5190356544 = 0.0000000000
0.5190356544 + x2 = 0.0000000000

The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| 2x=3x+6 | | B-2-8=-6 | | (5x-1)= | | 3x^2-18x+39=0 | | Y-12+1=6 | | 8(1)-2y=10 | | (y-3)(y+3)= | | 64g/8m | | 40=5/4y | | (5x+2)(3x-y)= | | -15-8y=-1 | | (v+10)(v-8)= | | .1(3x+4x^2+7x^3)= | | 2(-28)+3y=-59 | | 2x+3(-28)=-59 | | 2/3x+2=16 | | (3x+4x^2+7x^3)= | | x-6y=-50 | | 15A+10B=x | | 5/2x-4=9-7/2x | | 50000*16000= | | 2/3+(4/3+x) | | 1/5(5y) | | 2x+8(2x-5)=6x-30 | | 3/5u=12 | | 22*11= | | 3x-8=-4x+6 | | 6x+1=2x-1 | | 34*.5= | | 57-23= | | 188-161= | | 36*3+53= |

Equations solver categories