9d^2+6d+1=0

Simple and best practice solution for 9d^2+6d+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9d^2+6d+1=0 equation:


Simplifying
9d2 + 6d + 1 = 0

Reorder the terms:
1 + 6d + 9d2 = 0

Solving
1 + 6d + 9d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(1 + 3d)(1 + 3d) = 0

Subproblem 1

Set the factor '(1 + 3d)' equal to zero and attempt to solve: Simplifying 1 + 3d = 0 Solving 1 + 3d = 0 Move all terms containing d to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3d = 0 + -1 3d = 0 + -1 Combine like terms: 0 + -1 = -1 3d = -1 Divide each side by '3'. d = -0.3333333333 Simplifying d = -0.3333333333

Subproblem 2

Set the factor '(1 + 3d)' equal to zero and attempt to solve: Simplifying 1 + 3d = 0 Solving 1 + 3d = 0 Move all terms containing d to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3d = 0 + -1 3d = 0 + -1 Combine like terms: 0 + -1 = -1 3d = -1 Divide each side by '3'. d = -0.3333333333 Simplifying d = -0.3333333333

Solution

d = {-0.3333333333, -0.3333333333}

See similar equations:

| -3n=96+n | | 326/382 | | (4q-3r)+(-2q-2r)= | | 2k^2-7k+4=0 | | 8+5x=3(2x-1)-10 | | x^2-5x+33=7x+3 | | x^2-4*x=4 | | 4r/3=4r-40 | | 8=4(x+7)-8x | | 1.4(0.25)= | | 3(m-17)=-30 | | 144/3a-1=3a-1 | | (z+2)+(-3z-5)= | | 6y/5=5y-95 | | -(2x+3)=7 | | 6(t-5)=20 | | 5a/4=6a-76 | | 4y+5(y-7)=-17 | | 6t-126=4t/3 | | 5a/4=6a-152 | | 5a+11=56-4a | | 5(4-3x)+1=-12 | | x^2-3x+y=0 | | 2x=18-4c | | 4v=21-3v | | 19/3=3/9 | | 13r-7-10r=2 | | y=-5x^2+8 | | 7y+3(4y-1)=-79 | | x^9+20=0 | | 7=3a+2(5a-3) | | (2x-1)(x+3)=2x(x+1) |

Equations solver categories