36x^4-8x^3-28x^2=

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Solution for 36x^4-8x^3-28x^2= equation: 


Simplifying
36x4 + -8x3 + -28x2 = 0

Reorder the terms:
-28x2 + -8x3 + 36x4 = 0

Solving
-28x2 + -8x3 + 36x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x2'.
4x2(-7 + -2x + 9x2) = 0

Factor a trinomial.
4x2((-7 + -9x)(1 + -1x)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve:

Simplifying
x2 = 0

Solving
x2 = 0

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

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

Subproblem 2
Set the factor '(-7 + -9x)' equal to zero and attempt to solve:

Simplifying
-7 + -9x = 0

Solving
-7 + -9x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -9x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -9x = 0 + 7
-9x = 0 + 7

Combine like terms: 0 + 7 = 7
-9x = 7

Divide each side by '-9'.
x = -0.7777777778

Simplifying
x = -0.7777777778

Subproblem 3
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -1x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = 0 + -1
-1x = 0 + -1

Combine like terms: 0 + -1 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1
Solution
x = {0, -0.7777777778, 1}

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