If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 16r2 = -13r + 20 + -5r2 Reorder the terms: 16r2 = 20 + -13r + -5r2 Solving 16r2 = 20 + -13r + -5r2 Solving for variable 'r'. Reorder the terms: -20 + 13r + 16r2 + 5r2 = 20 + -13r + -5r2 + -20 + 13r + 5r2 Combine like terms: 16r2 + 5r2 = 21r2 -20 + 13r + 21r2 = 20 + -13r + -5r2 + -20 + 13r + 5r2 Reorder the terms: -20 + 13r + 21r2 = 20 + -20 + -13r + 13r + -5r2 + 5r2 Combine like terms: 20 + -20 = 0 -20 + 13r + 21r2 = 0 + -13r + 13r + -5r2 + 5r2 -20 + 13r + 21r2 = -13r + 13r + -5r2 + 5r2 Combine like terms: -13r + 13r = 0 -20 + 13r + 21r2 = 0 + -5r2 + 5r2 -20 + 13r + 21r2 = -5r2 + 5r2 Combine like terms: -5r2 + 5r2 = 0 -20 + 13r + 21r2 = 0 Factor a trinomial. (-4 + -3r)(5 + -7r) = 0Subproblem 1
Set the factor '(-4 + -3r)' equal to zero and attempt to solve: Simplifying -4 + -3r = 0 Solving -4 + -3r = 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 + -3r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3r = 0 + 4 -3r = 0 + 4 Combine like terms: 0 + 4 = 4 -3r = 4 Divide each side by '-3'. r = -1.333333333 Simplifying r = -1.333333333Subproblem 2
Set the factor '(5 + -7r)' equal to zero and attempt to solve: Simplifying 5 + -7r = 0 Solving 5 + -7r = 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 + -7r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7r = 0 + -5 -7r = 0 + -5 Combine like terms: 0 + -5 = -5 -7r = -5 Divide each side by '-7'. r = 0.7142857143 Simplifying r = 0.7142857143Solution
r = {-1.333333333, 0.7142857143}
| 9/50x5/24 | | 5w-8=13w+27 | | 2x-32=x+1 | | -32=1.142(3w-1) | | ln(8x)^(1/2) | | 114=-6(P-8) | | 8/9x15/6 | | ln(8x)^1/2 | | (3+x)5-2=-2x+13+7x | | (9/5-9/10)(9/5+9/10) | | 3/5=(v-3/2) | | 3y-6/6+2=5 | | -5+2(x+5)=-10 | | 4m^2+75=0 | | 7x+2(x+9)=-9 | | 9r+3=7r-11 | | -8b-5b+7b=72 | | 3x-8/7=1 | | 5x-8=13+7(x+12) | | -7(2x-4)=-14 | | 11/7=y/10 | | 1-(x-2)=-3 | | -4(v-1)=-2v-4 | | (-3/8-2/3)-(-9/8-3/1) | | 9=9x+7/4+7x+3/2 | | n=P*200/R*V | | -2b-3(b+2)=-5(b-6) | | 35x^2+19x+2=0 | | n=R*V/P*200 | | 1=x/27 | | 180d=18 | | 3(u-3)-5=-4(-4u+5)-u |