If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3r2 + 7r + 40 = 0 Reorder the terms: 40 + 7r + -3r2 = 0 Solving 40 + 7r + -3r2 = 0 Solving for variable 'r'. Factor a trinomial. (5 + -1r)(8 + 3r) = 0Subproblem 1
Set the factor '(5 + -1r)' equal to zero and attempt to solve: Simplifying 5 + -1r = 0 Solving 5 + -1r = 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 + -1r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1r = 0 + -5 -1r = 0 + -5 Combine like terms: 0 + -5 = -5 -1r = -5 Divide each side by '-1'. r = 5 Simplifying r = 5Subproblem 2
Set the factor '(8 + 3r)' equal to zero and attempt to solve: Simplifying 8 + 3r = 0 Solving 8 + 3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3r = 0 + -8 3r = 0 + -8 Combine like terms: 0 + -8 = -8 3r = -8 Divide each side by '3'. r = -2.666666667 Simplifying r = -2.666666667Solution
r = {5, -2.666666667}
| 2x^2-40x=50 | | 36=5(x+8)-7x | | -6=14-13x | | 2x^2-40h=50 | | 3y+-4=12 | | 3r^2+7r+40=0 | | (9x-3)(9x-3)= | | 12x^2+36x=0 | | -3+2y=8 | | (20x/3)=22 | | (-2x^7*y)(x^9*y^8)= | | 20x/3 | | X^2+1156=1936 | | 3-(x-1)=2(x+3) | | y=-10x-15 | | 3n+36=1+8n | | 17=2c+3 | | 5[q]-3=9 | | 12y+10=11y-13 | | 4p+3=-5 | | 2x-4+2(2x)+13=-2-2x+10 | | 6x+7y=-30 | | 5.9x+1=15 | | y/3*6= | | 3x^2+19+6=0 | | H(t)=10t-2t^2 | | (x)(4x-2)=6 | | 12x+10-2x=3x-3 | | 4(2n-1)-(5n+2)= | | 2x^2-30-4x=0 | | [x-7]=20 | | (9x10^14)/(9.45x10^12) |