If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 9x + 81 = 0 Reorder the terms: 81 + 9x + x2 = 0 Solving 81 + 9x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-81' to each side of the equation. 81 + 9x + -81 + x2 = 0 + -81 Reorder the terms: 81 + -81 + 9x + x2 = 0 + -81 Combine like terms: 81 + -81 = 0 0 + 9x + x2 = 0 + -81 9x + x2 = 0 + -81 Combine like terms: 0 + -81 = -81 9x + x2 = -81 The x term is 9x. Take half its coefficient (4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. 9x + 20.25 + x2 = -81 + 20.25 Reorder the terms: 20.25 + 9x + x2 = -81 + 20.25 Combine like terms: -81 + 20.25 = -60.75 20.25 + 9x + x2 = -60.75 Factor a perfect square on the left side: (x + 4.5)(x + 4.5) = -60.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
| -6u+2=3u | | x^2+184X+8320=10260 | | (x+1)(4x-2)=(2x-1)(3x-1) | | 3c-5c+4c=28 | | 3a^2=-5a+2 | | 8x-4=5x+50 | | log(x+2)(17x-4)=2 | | X^2-6x+5=y | | 6g-9(8+4g)=38-7(5g) | | x^2+6x=14+x | | 12x^3y^5+18x^4y^2= | | 7x^2-3x-64=0/x^2-9 | | 5/7s-3/7s=18 | | 9x-5=39 | | (3x^2-3y^2)(x^2-5y^2)= | | 2/3+4/6 | | x+5x-42=48 | | 14x+105=7x^2 | | 9x-8=-10 | | 2x^2+15=-11x | | 7x^2-3x-64=0 | | x^2+184X+8320=0 | | 3k+4k=98 | | b^2-7b-8=0 | | -7x^2+5x+8= | | 1.6+2.142=0.18x-2.15 | | (4x^2-8y^2)(x^2-7y^2)= | | 17+3n=26 | | 0.78x-3.1=4.952 | | (x^2-6x-16)/(x-8) | | 58=0.15(x-200)+40 | | 58=0.15(x-200)+400 |