If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 49r2 + 41r + 9 = 0 Reorder the terms: 9 + 41r + 49r2 = 0 Solving 9 + 41r + 49r2 = 0 Solving for variable 'r'. Begin completing the square. Divide all terms by 49 the coefficient of the squared term: Divide each side by '49'. 0.1836734694 + 0.8367346939r + r2 = 0 Move the constant term to the right: Add '-0.1836734694' to each side of the equation. 0.1836734694 + 0.8367346939r + -0.1836734694 + r2 = 0 + -0.1836734694 Reorder the terms: 0.1836734694 + -0.1836734694 + 0.8367346939r + r2 = 0 + -0.1836734694 Combine like terms: 0.1836734694 + -0.1836734694 = 0.0000000000 0.0000000000 + 0.8367346939r + r2 = 0 + -0.1836734694 0.8367346939r + r2 = 0 + -0.1836734694 Combine like terms: 0 + -0.1836734694 = -0.1836734694 0.8367346939r + r2 = -0.1836734694 The r term is 0.8367346939r. Take half its coefficient (0.418367347). Square it (0.1750312370) and add it to both sides. Add '0.1750312370' to each side of the equation. 0.8367346939r + 0.1750312370 + r2 = -0.1836734694 + 0.1750312370 Reorder the terms: 0.1750312370 + 0.8367346939r + r2 = -0.1836734694 + 0.1750312370 Combine like terms: -0.1836734694 + 0.1750312370 = -0.0086422324 0.1750312370 + 0.8367346939r + r2 = -0.0086422324 Factor a perfect square on the left side: (r + 0.418367347)(r + 0.418367347) = -0.0086422324 Can't calculate square root of the right side. The solution to this equation could not be determined.
| x-16/3=23 | | 4/5z=12 | | -7+-7=49 | | 4=ln(x+5) | | 3v^2-6v-2=0 | | -8+5x=7x-22 | | 3(2n-1)=27 | | -10=4m+2 | | 10/10(8x+9)=6 | | 87108-45079= | | -22x-25-9=99 | | 20+0.15x=37.25 | | 5(f+2)=2(3-n) | | 5/2b+25/2=10 | | 10/10(8x+9)=6 | | 1/5k=15 | | 2d^2+16d+30=0 | | -3x-8+8=10+8 | | 9x^2+a-8=0 | | 8008+728+38+8144= | | 9(t-3)+3t=6(2t+2)-8 | | 9(3x-2)+4=10x-11 | | 5x-5=3(2x+3) | | -4x-5y=40 | | 3558+4544+6231+1388= | | x=300 | | 3x^3+6x= | | -51+3/4 | | 1/2(c-1)=1/2 | | ln(x)+ln(x-4)=ln(30-3x) | | 7x^2+8xy+7y^2-5=0 | | -7(t+1)=49 |