If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4r2 + 21r + 5 = 0 Reorder the terms: 5 + 21r + 4r2 = 0 Solving 5 + 21r + 4r2 = 0 Solving for variable 'r'. Factor a trinomial. (5 + r)(1 + 4r) = 0Subproblem 1
Set the factor '(5 + r)' equal to zero and attempt to solve: Simplifying 5 + r = 0 Solving 5 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + r = 0 + -5 r = 0 + -5 Combine like terms: 0 + -5 = -5 r = -5 Simplifying r = -5Subproblem 2
Set the factor '(1 + 4r)' equal to zero and attempt to solve: Simplifying 1 + 4r = 0 Solving 1 + 4r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4r = 0 + -1 4r = 0 + -1 Combine like terms: 0 + -1 = -1 4r = -1 Divide each side by '4'. r = -0.25 Simplifying r = -0.25Solution
r = {-5, -0.25}
| X^2+20x=50 | | -5(-8a-4b+6)= | | s-42=31 | | X^2+20=55 | | 54-30y= | | 25x-14=6+35x | | 4x^3-2x^2+6x-3=0 | | X^2+20=25 | | 2x-5y=-3 | | 16+14x+11m-5x-5m-11= | | 5a-25= | | X^2+20=50 | | 6r-21=3r | | (4-u)(2u+9)=0 | | 5x+7x-(8x+7)= | | 8m^2-6m-5= | | 4x+3y=-14 | | 2x^2=24x+45 | | -11(-7h-7k+8)= | | 6y=-10 | | 18x-4y=22 | | -27+13y+7n-2y-3n+2= | | 6x-6y=-10 | | (-3x^4y^5)(5x^1y^2)= | | 4b-4ab+6b+9ab= | | 15-t=23 | | c^2+2c-48= | | 100c^2-9=0 | | 7a=5-b | | -4(r-4-4s-7t)= | | -4(u+9)=-7-12 | | (x-3)(x-5)=1 |