20x^4+x^2-30=0

Simple and best practice solution for 20x^4+x^2-30=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 20x^4+x^2-30=0 equation:


Simplifying
20x4 + x2 + -30 = 0

Reorder the terms:
-30 + x2 + 20x4 = 0

Solving
-30 + x2 + 20x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -4x2)(6 + -5x2) = 0

Subproblem 1

Set the factor '(-5 + -4x2)' equal to zero and attempt to solve: Simplifying -5 + -4x2 = 0 Solving -5 + -4x2 = 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 + -4x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x2 = 0 + 5 -4x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -4x2 = 5 Divide each side by '-4'. x2 = -1.25 Simplifying x2 = -1.25 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 '(6 + -5x2)' equal to zero and attempt to solve: Simplifying 6 + -5x2 = 0 Solving 6 + -5x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x2 = 0 + -6 -5x2 = 0 + -6 Combine like terms: 0 + -6 = -6 -5x2 = -6 Divide each side by '-5'. x2 = 1.2 Simplifying x2 = 1.2 Take the square root of each side: x = {-1.095445115, 1.095445115}

Solution

x = {-1.095445115, 1.095445115}

See similar equations:

| 5+7x=41+x | | 102=17lb | | -11t=-132 | | -4s=3 | | 12x=-96 | | 64x^8-116x^4+25=0 | | -8k=248 | | 15=100-2.5h | | 2s+s+12= | | 6r-2(2-r)=4(2r-1) | | 2.5h=100-15 | | -13=x+5 | | 5x+38=13x-58 | | 2x^4+5x^2=3 | | -0.333x=15 | | 6x+56=11x+11 | | -3m=5(m-8) | | v^2+3v-40=0 | | .75y=6 | | v^2+7+6=0 | | 3z-9=5z-3z | | 100=15-2.5h | | 6m=-42 | | 6050=-10x^2+335x+3700 | | 25+5+12=132 | | -12s=-120 | | -9t=36 | | 3y=42 | | 25+5+12= | | 6x^4-36x^2=0 | | 15n=-30 | | 9x-4y=15 |

Equations solver categories