If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2d2 + -21d + -65 = 0 Reorder the terms: -65 + -21d + 2d2 = 0 Solving -65 + -21d + 2d2 = 0 Solving for variable 'd'. Factor a trinomial. (-5 + -2d)(13 + -1d) = 0Subproblem 1
Set the factor '(-5 + -2d)' equal to zero and attempt to solve: Simplifying -5 + -2d = 0 Solving -5 + -2d = 0 Move all terms containing d to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2d = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2d = 0 + 5 -2d = 0 + 5 Combine like terms: 0 + 5 = 5 -2d = 5 Divide each side by '-2'. d = -2.5 Simplifying d = -2.5Subproblem 2
Set the factor '(13 + -1d)' equal to zero and attempt to solve: Simplifying 13 + -1d = 0 Solving 13 + -1d = 0 Move all terms containing d to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1d = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1d = 0 + -13 -1d = 0 + -13 Combine like terms: 0 + -13 = -13 -1d = -13 Divide each side by '-1'. d = 13 Simplifying d = 13Solution
d = {-2.5, 13}
| 9-3x=5x+6 | | -3(3r+3)+4= | | 2(x-4)+6x= | | 14.95+0.13x=50.00 | | 2b-(5+4b)= | | x(x)-2x-8=0 | | -15.00+0.39x=50.00 | | y=-2x^2+2x+1 | | 4(x+4)+3= | | 3p+q=4 | | 3-6(x-3)+2x=-11 | | 4a=a+18 | | 1/4(x-2)=8 | | n+4(n-2)= | | a=x-y | | 2a+8b+-4b+8a= | | x(x)+7x+12=0 | | x(x)+7x=12 | | 8x+2x+3=0 | | 2/3(x+3)=6 | | 1/4(t+10)=5 | | 2a-4b+8b+8a= | | 3/4(x+9)=15 | | 36x^2-49x+4=0 | | 2x+7=2m-4 | | 144y+9m+225y+5m= | | (5y-3)(2y+5)=0 | | (5y-3)(2y+5)=0 | | -4-5k-k=3k-6+2k | | 9b^2-1=0 | | 144y+5m+225y+9m= | | 49x^2-42x=285 |