If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 16x4 + -18x2 + 81 = 0 Reorder the terms: 81 + -18x2 + 16x4 = 0 Solving 81 + -18x2 + 16x4 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 5.0625 + -1.125x2 + x4 = 0 Move the constant term to the right: Add '-5.0625' to each side of the equation. 5.0625 + -1.125x2 + -5.0625 + x4 = 0 + -5.0625 Reorder the terms: 5.0625 + -5.0625 + -1.125x2 + x4 = 0 + -5.0625 Combine like terms: 5.0625 + -5.0625 = 0.0000 0.0000 + -1.125x2 + x4 = 0 + -5.0625 -1.125x2 + x4 = 0 + -5.0625 Combine like terms: 0 + -5.0625 = -5.0625 -1.125x2 + x4 = -5.0625 The x term is -1.125x2. Take half its coefficient (-0.5625). Square it (0.31640625) and add it to both sides. Add '0.31640625' to each side of the equation. -1.125x2 + 0.31640625 + x4 = -5.0625 + 0.31640625 Reorder the terms: 0.31640625 + -1.125x2 + x4 = -5.0625 + 0.31640625 Combine like terms: -5.0625 + 0.31640625 = -4.74609375 0.31640625 + -1.125x2 + x4 = -4.74609375 Factor a perfect square on the left side: (x2 + -0.5625)(x2 + -0.5625) = -4.74609375 Can't calculate square root of the right side. The solution to this equation could not be determined.
| y=3x^2+2x+7 | | 4x^2-15x+50=8-6x | | 4x+7x-6x= | | 4x-6x(4)=56 | | 36=1/4w-w | | 8cos^2(x)+10cos(x)+3=0 | | .80timesx=450 | | .80timesx=375 | | 19x+4y=724.58 | | 19x+4y=724 | | .80timesx=1650 | | 25-x^4*y^4=0 | | .80timesx=1460 | | .80timesx=1075 | | -y=-5x+11 | | .80timesx=1060 | | 15x-25y=8 | | .80timesx=925 | | 3y-8x=18 | | .80timesx=1435 | | 30x+6y=41 | | 1+10(2)= | | .80timesx=975 | | e^6x-4e^3x+4= | | 5/12/13/4= | | 400/1=1.5/x | | 3x+26=-7(x-8) | | .80timesx=750 | | 1/2-3/4/3/8-2= | | 5(5-1.5x)=-2x+3 | | .80timesx=600 | | 9t+3t=7-5 |