(x^4)-(2x^2)=-45

Simple and best practice solution for (x^4)-(2x^2)=-45 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 (x^4)-(2x^2)=-45 equation:


Simplifying
(x4) + -1(2x2) = -45
x4 + -1(2x2) = -45

Remove parenthesis around (2x2)
x4 + -1 * 2x2 = -45

Multiply -1 * 2
x4 + -2x2 = -45

Reorder the terms:
-2x2 + x4 = -45

Solving
-2x2 + x4 = -45

Solving for variable 'x'.

Reorder the terms:
45 + -2x2 + x4 = -45 + 45

Combine like terms: -45 + 45 = 0
45 + -2x2 + x4 = 0

Begin completing the square.

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + -2x2 + -45 + x4 = 0 + -45

Reorder the terms:
45 + -45 + -2x2 + x4 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -2x2 + x4 = 0 + -45
-2x2 + x4 = 0 + -45

Combine like terms: 0 + -45 = -45
-2x2 + x4 = -45

The x term is -2x2.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x2 + 1 + x4 = -45 + 1

Reorder the terms:
1 + -2x2 + x4 = -45 + 1

Combine like terms: -45 + 1 = -44
1 + -2x2 + x4 = -44

Factor a perfect square on the left side:
(x2 + -1)(x2 + -1) = -44

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| .75x+8=5 | | .8x+1.2=.4 | | 3g+3u=s | | q^2+4x-7=0 | | (5.4)(-.24)= | | -21=3-2x+10x | | 21x^2+35x= | | A=eg+3u | | 3x^2-22=5 | | X-7=21x-17 | | T/3=8 | | .8x+1.2=4 | | 21x^4-53x^3+26x^2=0 | | 5.4x-.24= | | (x-k)(y-k)= | | 4x^2-15x+9/4x^2+13x-12 | | 6y^3-8y^2+2y=0 | | 18x+51-47x=125 | | 6y^2+32y-24=0 | | 3*24=x*27 | | 5x+11=81+5x | | 4/7t-11=-3 | | 2x*7=x*23 | | 15x^2-8x+5=0 | | 15*13/3=x | | 25y^2-46y+21=0 | | y-7=-3(x-5) | | 3b-7=32 | | -9i-9i= | | p^3-343q^3=0 | | 23=-7x+8x | | 9y^2=4 |

Equations solver categories