If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 20r2 + -51r + 28 = 0 Reorder the terms: 28 + -51r + 20r2 = 0 Solving 28 + -51r + 20r2 = 0 Solving for variable 'r'. Factor a trinomial. (4 + -5r)(7 + -4r) = 0Subproblem 1
Set the factor '(4 + -5r)' equal to zero and attempt to solve: Simplifying 4 + -5r = 0 Solving 4 + -5r = 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 + -5r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5r = 0 + -4 -5r = 0 + -4 Combine like terms: 0 + -4 = -4 -5r = -4 Divide each side by '-5'. r = 0.8 Simplifying r = 0.8Subproblem 2
Set the factor '(7 + -4r)' equal to zero and attempt to solve: Simplifying 7 + -4r = 0 Solving 7 + -4r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4r = 0 + -7 -4r = 0 + -7 Combine like terms: 0 + -7 = -7 -4r = -7 Divide each side by '-4'. r = 1.75 Simplifying r = 1.75Solution
r = {0.8, 1.75}
| n=16+2 | | n=12-9 | | -1(b-3)+3b= | | 25=1/6x | | n=62-3 | | 14y=9y+15 | | 3x+7=2.8 | | x+x^2+21=63 | | 10y^4(8y^2-9)=0 | | 11=7+w | | 6-2k=8 | | 7+4z=23 | | x-(2x+5)-5(1+2x)=2(3+4x)-3(x-4) | | h(x)=x^2+2 | | x/20=15/100 | | 4=v-3+7 | | 6(11x+9)=66x-1 | | -26+z=29 | | 26=-7(4v+9) | | 15=5p-8p | | 2y=5x+19 | | 18+(-7x+3)=14 | | -8=6+7x+7x | | 9(x-4)=7x-28 | | 5x-w=2x+13 | | 18+(-7+3)=14 | | -.5(18+18x)=-11x+17 | | 1.6y=9.6 | | 3x^2+11=-88 | | 3xn=5xn-36 | | -.05(18+18x)=-11x+17 | | 42x+40=2770 |