If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 5r2 + 18r + -8 = 0 Reorder the terms: -8 + 18r + 5r2 = 0 Solving -8 + 18r + 5r2 = 0 Solving for variable 'r'. Factor a trinomial. (-4 + -1r)(2 + -5r) = 0Subproblem 1
Set the factor '(-4 + -1r)' equal to zero and attempt to solve: Simplifying -4 + -1r = 0 Solving -4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1r = 0 + 4 -1r = 0 + 4 Combine like terms: 0 + 4 = 4 -1r = 4 Divide each side by '-1'. r = -4 Simplifying r = -4Subproblem 2
Set the factor '(2 + -5r)' equal to zero and attempt to solve: Simplifying 2 + -5r = 0 Solving 2 + -5r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5r = 0 + -2 -5r = 0 + -2 Combine like terms: 0 + -2 = -2 -5r = -2 Divide each side by '-5'. r = 0.4 Simplifying r = 0.4Solution
r = {-4, 0.4}
| x^2=6x-2 | | 4n-21=n | | -9x-2=-2 | | 4x/13+3/13=-113 | | (w/5)-(5/w) | | 0.666666666666667m-11=4m | | x+3/4=2x+6/3 | | (x^2-4)/(x+2) | | 0.20(x-200)=575 | | t^2=54 | | 6x^2-9x+8x-12/2x-3 | | (5*m^2+5)/7m | | t/20 | | (5m^2+5)/7m | | 3x^2+10x-272=0 | | 5m^2+5/7m | | 0.20(x-200)=160 | | 2x-10i=6-5yi | | x^3+2x^2-7x-14=0 | | 0.111111111111111(2m-16)=0.333333333333333(2m+4) | | 5x-17=x-11 | | 6x+18y=-14 | | b^2+b-182= | | 0.333333333333333(n+1)=0.166666666666667(3n-5) | | 35+(5/2y)-(1/2y)=3 | | 4.8/1.4 | | 64n^2=9 | | 15+9y=78 | | 2=5+r | | v^2-2=7 | | (5x+4)(2x-1)= | | 0.25(x+5)=22 |