If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 11r2 + -1r + 10 = 0 Reorder the terms: 10 + -1r + 11r2 = 0 Solving 10 + -1r + 11r2 = 0 Solving for variable 'r'. Begin completing the square. Divide all terms by 11 the coefficient of the squared term: Divide each side by '11'. 0.9090909091 + -0.09090909091r + r2 = 0 Move the constant term to the right: Add '-0.9090909091' to each side of the equation. 0.9090909091 + -0.09090909091r + -0.9090909091 + r2 = 0 + -0.9090909091 Reorder the terms: 0.9090909091 + -0.9090909091 + -0.09090909091r + r2 = 0 + -0.9090909091 Combine like terms: 0.9090909091 + -0.9090909091 = 0.0000000000 0.0000000000 + -0.09090909091r + r2 = 0 + -0.9090909091 -0.09090909091r + r2 = 0 + -0.9090909091 Combine like terms: 0 + -0.9090909091 = -0.9090909091 -0.09090909091r + r2 = -0.9090909091 The r term is -0.09090909091r. Take half its coefficient (-0.04545454546). Square it (0.002066115703) and add it to both sides. Add '0.002066115703' to each side of the equation. -0.09090909091r + 0.002066115703 + r2 = -0.9090909091 + 0.002066115703 Reorder the terms: 0.002066115703 + -0.09090909091r + r2 = -0.9090909091 + 0.002066115703 Combine like terms: -0.9090909091 + 0.002066115703 = -0.907024793397 0.002066115703 + -0.09090909091r + r2 = -0.907024793397 Factor a perfect square on the left side: (r + -0.04545454546)(r + -0.04545454546) = -0.907024793397 Can't calculate square root of the right side. The solution to this equation could not be determined.
| -9x=18-(-18) | | 10y-7=-1 | | 5pq*qr*pr= | | 4x^2-27x+11=-7x+2 | | 6xy*xy*4y-5= | | 6.3=2.1y | | 4h=92forh | | 3.2x+7.4=-7.8x+3.6 | | -2.6y=1.3 | | 9x+6.92=5x+12 | | -121-6x=9-9x | | x-7=8-(9+x) | | -2.6=1.3 | | 13w-17w=24 | | -(-2x+12)=9x+2 | | x^2-c=12 | | -151=-2x-7(-x+18) | | (-2+4)x-49-3= | | 2x^2+35x-8.1=0 | | 23(2y+1)=23(2y+1) | | [x-3]+14=7 | | 18x-3y=27+3x | | X^2-36x+36=0 | | 3r-5r+7+r= | | 10+2x=-4 | | 4(-2-x)-1(3-2)=-2(x+3) | | 4x-6(x+16)=-118 | | 0.6x+19.7=x-4.06 | | -19*.21=506.89 | | 2(2x-3.3)=2x-6.6 | | 2(1x-3x)=10+2x | | 7x-6=3x-3 |