If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying r2 + r + -306 = 0 Reorder the terms: -306 + r + r2 = 0 Solving -306 + r + r2 = 0 Solving for variable 'r'. Factor a trinomial. (-18 + -1r)(17 + -1r) = 0Subproblem 1
Set the factor '(-18 + -1r)' equal to zero and attempt to solve: Simplifying -18 + -1r = 0 Solving -18 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + -1r = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -1r = 0 + 18 -1r = 0 + 18 Combine like terms: 0 + 18 = 18 -1r = 18 Divide each side by '-1'. r = -18 Simplifying r = -18Subproblem 2
Set the factor '(17 + -1r)' equal to zero and attempt to solve: Simplifying 17 + -1r = 0 Solving 17 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1r = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1r = 0 + -17 -1r = 0 + -17 Combine like terms: 0 + -17 = -17 -1r = -17 Divide each side by '-1'. r = 17 Simplifying r = 17Solution
r = {-18, 17}
| 10x^2-22x-140=0 | | 5n+5n=65 | | 4y-16=-20y | | 8x+10=0 | | 0.6= | | 25x^2+175x-6500=0 | | 2x+y=3xy+z | | 4(5x+1)+5=20x+9 | | 26x^2+104x-3640=0 | | e^4x=8 | | 6p^2+7p+1=0 | | 3r^2+12r-63=0 | | 6v^2-24=0 | | -2(5+6c)=-90-2c | | (x+14)/7=(x+36)/9 | | 3n^2-27=0 | | 4n^2+n-33=0 | | (x+18)/3=x+24 | | (w-7)=-3 | | 2-n=-3 | | 2(d-2)=20 | | 5k^2-10k-40=0 | | r^2-100=0 | | (4x-5)2=45 | | 3x+21=36 | | x^3-2x^2=x-2 | | r^2+4r-77=0 | | 13X+23Y=-11 | | 2a^2-7a-130=0 | | 8(k+3)=56 | | n^2-12n-13=0 | | 80(k+3)=56 |