9a^4-13a^2+36=0

Simple and best practice solution for 9a^4-13a^2+36=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 9a^4-13a^2+36=0 equation:


Simplifying
9a4 + -13a2 + 36 = 0

Reorder the terms:
36 + -13a2 + 9a4 = 0

Solving
36 + -13a2 + 9a4 = 0

Solving for variable 'a'.

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

Divide each side by '9'.
4 + -1.444444444a2 + a4 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -1.444444444a2 + -4 + a4 = 0 + -4

Reorder the terms:
4 + -4 + -1.444444444a2 + a4 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1.444444444a2 + a4 = 0 + -4
-1.444444444a2 + a4 = 0 + -4

Combine like terms: 0 + -4 = -4
-1.444444444a2 + a4 = -4

The a term is -1.444444444a2.  Take half its coefficient (-0.722222222).
Square it (0.5216049380) and add it to both sides.

Add '0.5216049380' to each side of the equation.
-1.444444444a2 + 0.5216049380 + a4 = -4 + 0.5216049380

Reorder the terms:
0.5216049380 + -1.444444444a2 + a4 = -4 + 0.5216049380

Combine like terms: -4 + 0.5216049380 = -3.478395062
0.5216049380 + -1.444444444a2 + a4 = -3.478395062

Factor a perfect square on the left side:
(a2 + -0.722222222)(a2 + -0.722222222) = -3.478395062

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4e+6-11e=-18 | | 16m^2+8m= | | A^4-13a+36=0 | | x^3-x= | | 4c+5c^2=1 | | 2x^2+7x-12=0 | | 4B^2+44B+121=0 | | -9x+25+11x+25=-2 | | -9+25+11x+25=-2 | | .2x=8 | | 20b^2+12b^3=0 | | 5y=-6 | | 4x^18= | | 2a+4(7+5a)= | | .16x=8 | | 4y=22 | | 4x-7=x-4 | | 2x^2+30x+108= | | lnx+lnx^2=3 | | 6.5x-2x=1.3x+1 | | 3(4x+3)=3(x+2) | | x+2y=6y=x+3 | | 7x-5=6x-6 | | 14m(m-2)= | | 2(4x+5)=4(x+2) | | .35= | | 0=x^3-4x^2+5x-3 | | .6x=-38 | | 4x-4x=-28 | | 3x+3*3x+3=36 | | 5a+4(3a-8)=5+13a | | 3m(m-5)=0 |

Equations solver categories