If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying r2 + 3r + 5 = 0 Reorder the terms: 5 + 3r + r2 = 0 Solving 5 + 3r + r2 = 0 Solving for variable 'r'. Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + 3r + -5 + r2 = 0 + -5 Reorder the terms: 5 + -5 + 3r + r2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3r + r2 = 0 + -5 3r + r2 = 0 + -5 Combine like terms: 0 + -5 = -5 3r + r2 = -5 The r term is 3r. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3r + 2.25 + r2 = -5 + 2.25 Reorder the terms: 2.25 + 3r + r2 = -5 + 2.25 Combine like terms: -5 + 2.25 = -2.75 2.25 + 3r + r2 = -2.75 Factor a perfect square on the left side: (r + 1.5)(r + 1.5) = -2.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 0.3x^2-33x+15.000=22.800 | | 7ln(x+1)= | | 1/x+1/x+2=1/5 | | 7(6c-1)-16=40c+7 | | 9n+29= | | -4(3w+2)-w=31 | | -4(3w+3)-w=31 | | 2x^2+7x-9=x^2-x | | 2x-x=10 | | 2x^3=7x^2 | | -44+x=25 | | 4(10x)+3=15 | | 3(r-9)=8r-27 | | -5x/9-6-9 | | (x+2y)dx+y*dy=0 | | (x+12)(x-5)=x^2+31 | | 3r+5+r^2=0 | | 2x^2+300=0 | | 14=8+j | | -5x=20-20 | | 10b-3b-18=b+26-5b | | 3-x=7x+6 | | 10=1.8x-x | | 68-2n=0 | | 3x-y+2x+7y=90 | | m(x)=-x^2+4 | | 5x=55+5 | | (2x-4)+9i=8+3yi | | 6x+28=2x | | 4/2-8i | | 4t-1=9-t | | 4n-16= |