4x^4=3x^2-9

Simple and best practice solution for 4x^4=3x^2-9 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 4x^4=3x^2-9 equation:


Simplifying
4x4 = 3x2 + -9

Reorder the terms:
4x4 = -9 + 3x2

Solving
4x4 = -9 + 3x2

Solving for variable 'x'.

Reorder the terms:
9 + -3x2 + 4x4 = -9 + 3x2 + 9 + -3x2

Reorder the terms:
9 + -3x2 + 4x4 = -9 + 9 + 3x2 + -3x2

Combine like terms: -9 + 9 = 0
9 + -3x2 + 4x4 = 0 + 3x2 + -3x2
9 + -3x2 + 4x4 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
9 + -3x2 + 4x4 = 0

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

Divide each side by '4'.
2.25 + -0.75x2 + x4 = 0

Move the constant term to the right:

Add '-2.25' to each side of the equation.
2.25 + -0.75x2 + -2.25 + x4 = 0 + -2.25

Reorder the terms:
2.25 + -2.25 + -0.75x2 + x4 = 0 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -0.75x2 + x4 = 0 + -2.25
-0.75x2 + x4 = 0 + -2.25

Combine like terms: 0 + -2.25 = -2.25
-0.75x2 + x4 = -2.25

The x term is -0.75x2.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75x2 + 0.140625 + x4 = -2.25 + 0.140625

Reorder the terms:
0.140625 + -0.75x2 + x4 = -2.25 + 0.140625

Combine like terms: -2.25 + 0.140625 = -2.109375
0.140625 + -0.75x2 + x4 = -2.109375

Factor a perfect square on the left side:
(x2 + -0.375)(x2 + -0.375) = -2.109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -2z+6=-10 | | F(x)=x/0.25 | | -5(7+4x)-5=120 | | (1)(1d)+(2)y=1 | | (1)(1)+(2)y=1 | | 4a^2+28a=-48 | | 5(-2y-9)=15 | | -4/5x3 | | y-(-6)=1/2(x-(-4) | | 6x+5y=147 | | 11x+9=9x+51 | | 30r^3-19r^2-63r=0 | | y-(-16)=-1/2(x-(-10) | | -10-(-90x)+6x-60= | | -4/5×3 | | 4x+1=X+37 | | 4cos^2(x)-5cos^2(x)+1=0 | | 8-b=-5 | | y-(-16)=1/2(-(-10) | | -1-(-6)=11-y | | (x)+(x+90)+(x-18)= | | 3z/4=144 | | 5n^2-15n=50 | | 2w-24=2l | | 3z/4 | | v+(-1)=9 | | (1)(1)+(1)y=1 | | 7x-x-1=1 | | (X^3/4y^1/6)^12 | | 5+k=1 | | 4m-5m+2=1 | | -146=7(4r+2)-6r |

Equations solver categories