2n^4-5n^2-63=0

Simple and best practice solution for 2n^4-5n^2-63=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 2n^4-5n^2-63=0 equation:


Simplifying
2n4 + -5n2 + -63 = 0

Reorder the terms:
-63 + -5n2 + 2n4 = 0

Solving
-63 + -5n2 + 2n4 = 0

Solving for variable 'n'.

Factor a trinomial.
(-9 + -2n2)(7 + -1n2) = 0

Subproblem 1

Set the factor '(-9 + -2n2)' equal to zero and attempt to solve: Simplifying -9 + -2n2 = 0 Solving -9 + -2n2 = 0 Move all terms containing n to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2n2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2n2 = 0 + 9 -2n2 = 0 + 9 Combine like terms: 0 + 9 = 9 -2n2 = 9 Divide each side by '-2'. n2 = -4.5 Simplifying n2 = -4.5 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 '(7 + -1n2)' equal to zero and attempt to solve: Simplifying 7 + -1n2 = 0 Solving 7 + -1n2 = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1n2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1n2 = 0 + -7 -1n2 = 0 + -7 Combine like terms: 0 + -7 = -7 -1n2 = -7 Divide each side by '-1'. n2 = 7 Simplifying n2 = 7 Take the square root of each side: n = {-2.645751311, 2.645751311}

Solution

n = {-2.645751311, 2.645751311}

See similar equations:

| [-2+2m]+10=24 | | 0.29=ln(x) | | [10r-6]-9=-5 | | -7x+5(-2x-5)=-34-8x | | f(n)=2.5n+4 | | 3+4p=9+p | | 4n^2+8n-60=0 | | -8[x+8]=-16 | | y=-2+lx+1l | | 2x+13=3x-19 | | X+8-3x=17 | | [-6v]-5=19 | | x-8.2=4.6 | | 29+3X+-6X=40 | | 2x-6x+20=-28 | | Abs(2x+5)=2x | | 5n+1-9n=-7 | | (4y+5)=90-(4y+8) | | [x+4]+5=8 | | 2.5h+15=4h | | [3c]+9=18 | | 1(p-16)=13 | | 3(x+5)=2x+21 | | 3[x+6]-7=20 | | -2=-5z+6 | | 3(5-w)(3+w)=1-(4+w)(1+3w) | | 5+0=10 | | y=lx+3l | | 2x-8-4=-2 | | 12=5m-3 | | 14-3x=10-9x | | 9+4m=5 |

Equations solver categories