If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x4 + 40x2 + 20 = 0 Reorder the terms: 20 + 40x2 + x4 = 0 Solving 20 + 40x2 + x4 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-20' to each side of the equation. 20 + 40x2 + -20 + x4 = 0 + -20 Reorder the terms: 20 + -20 + 40x2 + x4 = 0 + -20 Combine like terms: 20 + -20 = 0 0 + 40x2 + x4 = 0 + -20 40x2 + x4 = 0 + -20 Combine like terms: 0 + -20 = -20 40x2 + x4 = -20 The x term is 40x2. Take half its coefficient (20). Square it (400) and add it to both sides. Add '400' to each side of the equation. 40x2 + 400 + x4 = -20 + 400 Reorder the terms: 400 + 40x2 + x4 = -20 + 400 Combine like terms: -20 + 400 = 380 400 + 40x2 + x4 = 380 Factor a perfect square on the left side: (x2 + 20)(x2 + 20) = 380 Calculate the square root of the right side: 19.49358869 Break this problem into two subproblems by setting (x2 + 20) equal to 19.49358869 and -19.49358869.Subproblem 1
x2 + 20 = 19.49358869 Simplifying x2 + 20 = 19.49358869 Reorder the terms: 20 + x2 = 19.49358869 Solving 20 + x2 = 19.49358869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x2 = 19.49358869 + -20 Combine like terms: 20 + -20 = 0 0 + x2 = 19.49358869 + -20 x2 = 19.49358869 + -20 Combine like terms: 19.49358869 + -20 = -0.50641131 x2 = -0.50641131 Simplifying x2 = -0.50641131 Reorder the terms: 0.50641131 + x2 = -0.50641131 + 0.50641131 Combine like terms: -0.50641131 + 0.50641131 = 0.00000000 0.50641131 + x2 = 0.00000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.Subproblem 2
x2 + 20 = -19.49358869 Simplifying x2 + 20 = -19.49358869 Reorder the terms: 20 + x2 = -19.49358869 Solving 20 + x2 = -19.49358869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x2 = -19.49358869 + -20 Combine like terms: 20 + -20 = 0 0 + x2 = -19.49358869 + -20 x2 = -19.49358869 + -20 Combine like terms: -19.49358869 + -20 = -39.49358869 x2 = -39.49358869 Simplifying x2 = -39.49358869 Reorder the terms: 39.49358869 + x2 = -39.49358869 + 39.49358869 Combine like terms: -39.49358869 + 39.49358869 = 0.00000000 39.49358869 + x2 = 0.00000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 9=6n+9 | | 0.17658-0.04237=x | | 50=X+(.0625X) | | 10+3n=11 | | 10m-5=9m+1 | | x^2+22x=-9 | | 0=2x^2+28x-3840 | | 0.17658-0.04237=x | | (x-4)x(x-4)=8x(2-x) | | 8n-20=-36 | | -2(y+2)=3y-8+2(5y+5) | | 4y+x=5x+8 | | 5y+1-[1+2(y-1)]=3[1-(2y-3)] | | 9n+13=85 | | y=2x-2.4 | | y=3x^2+x+6 | | 5.01+23.4=x | | (2+3i)(4+2i)= | | -9d-55=-44d | | 0=2x^2+4x-96 | | 350+4-(3x-4)=35(x-3)+755 | | 3m+5n+7m+4n= | | 3d-6=15 | | 5x+2y=9x+12 | | 0=(x^2)-19x-290 | | 3.595x=1.5 | | 2a+(2a+4)= | | 10*4w=96 | | 14=6(w+5)-8w | | 48321-4321= | | -10-x=6 | | (2x+7)(5x-3)= |