x^2+rx-s=0

Simple and best practice solution for x^2+rx-s=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2+rx-s=0 equation:


Simplifying
x2 + rx + -1s = 0

Reorder the terms:
rx + -1s + x2 = 0

Solving
rx + -1s + x2 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add 's' to each side of the equation.
rx + -1s + s + x2 = 0 + s

Combine like terms: -1s + s = 0
rx + 0 + x2 = 0 + s
rx + x2 = 0 + s
Remove the zero:
rx + x2 = s

Add '-1x2' to each side of the equation.
rx + x2 + -1x2 = s + -1x2

Combine like terms: x2 + -1x2 = 0
rx + 0 = s + -1x2
rx = s + -1x2

Divide each side by 'x'.
r = sx-1 + -1x

Simplifying
r = sx-1 + -1x

See similar equations:

| 4(x-3)-7=3(x+2)+6x | | -8y+6x+9=0 | | 2(1+x)=(25825000) | | 230=-5(6p-4) | | 7i+6=-6 | | 11x-3y=54 | | 9+7(x-6)=3-2(x-9) | | P=4c-(20+c) | | 2x+2=2x+4 | | y=4x^2-20x+25 | | (1.1+4.7)x=22.5 | | x=.666x+2 | | 8b^4-b^3-b^4+4b^3-4= | | x+53=x | | 0.2-2x=-1.4 | | (x^-5/9y^1/2/x^-2/9)^-6 | | 2(x-10)+7=27x+1 | | 1/6z^-6 | | 7k^2=-2+15k | | (5b-8)(5b+3)=25b^2-25b-24 | | -5x+3x=-5 | | 7k^2-15k-2=0 | | X(1.1+4.7)=x+22.5 | | 5x^2+8y^2=40 | | 125+13n=944 | | -5/8x1/3 | | 4b+3b=0 | | 72x+27y= | | y=0.15x+56 | | 91+x=151 | | 13y-2=54-y | | 13y-2=34-y |

Equations solver categories