If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 20r2 + -1r = 30 Reorder the terms: -1r + 20r2 = 30 Solving -1r + 20r2 = 30 Solving for variable 'r'. Reorder the terms: -30 + -1r + 20r2 = 30 + -30 Combine like terms: 30 + -30 = 0 -30 + -1r + 20r2 = 0 Factor a trinomial. (-6 + -5r)(5 + -4r) = 0Subproblem 1
Set the factor '(-6 + -5r)' equal to zero and attempt to solve: Simplifying -6 + -5r = 0 Solving -6 + -5r = 0 Move all terms containing r to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -5r = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -5r = 0 + 6 -5r = 0 + 6 Combine like terms: 0 + 6 = 6 -5r = 6 Divide each side by '-5'. r = -1.2 Simplifying r = -1.2Subproblem 2
Set the factor '(5 + -4r)' equal to zero and attempt to solve: Simplifying 5 + -4r = 0 Solving 5 + -4r = 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 + -4r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4r = 0 + -5 -4r = 0 + -5 Combine like terms: 0 + -5 = -5 -4r = -5 Divide each side by '-4'. r = 1.25 Simplifying r = 1.25Solution
r = {-1.2, 1.25}
| 5x+(-15x)=9(20) | | (4y+9)(6y-1)= | | t^2-19t+18= | | -2b=4 | | 9x-18=80 | | s^2=-24-10 | | -11=-10n | | 64x^2-128+55=0 | | 16x-143=6x-13 | | -10*x=-480 | | 48-6x=3x+23 | | 7-8x=171-36x | | 12x^2-156x+144=0 | | 6v(11v+5)= | | -6(2y)+4(4y)=50-18 | | 7-7x=45-21x | | -7=x-15 | | 16x^2+32x=65 | | 4x-3=-12 | | x^2-10x+22=-2 | | 14-7z-15=8z+29-5z | | -2u=13 | | c^2-4= | | 9x-10=-4+15x | | 3x+12=-122-10x | | m-9=27 | | (10-n)22=22 | | 3x-6y=-2 | | 3x-18=-27 | | x+3=x+3 | | 15z-(-5z)=60 | | 9-10x=-4+15x |