49d2+9=-42d

Simple and best practice solution for 49d2+9=-42d 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 49d2+9=-42d equation: 



49d^2+9=-42d

We move all terms to the left:

49d^2+9-(-42d)=0

We get rid of parentheses

49d^2+42d+9=0

a = 49; b = 42; c = +9;
Δ = b2-4ac
Δ = 422-4·49·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$d=\frac{-b}{2a}=\frac{-42}{98}=-3/7$

See similar equations:

| 3j+17=4j-9 | | 2x/3-12=8 | | 5x-(4x-4)=13 | | 8n-(4n+7)=27 | | -5-1(15y-1=2(7y-16)-y | | 2=1/9+z | | -4x+2(3x+2)=8 | | 3y-(y-2)=5 | | 2x–3=5x–18 | | 5x*(6)=150 | | x-1=3/2 | | -7c+5=-16 | | x^2=9/100 | | 2x²+x-29=0 | | |7x+28|=0 | | 124=x+25 | | 2(x+2)/3=2x | | -8(8-x)=45(x+10) | | x–6=14 | | x2+x-52=4 | | -10=x+24 | | (5x-2)^2=20 | | 11u-2u=63 | | x+((20-x)/2)+((20-x)/2)=20 | | -16t^2+64(3)+80=0 | | 6(43+1.5)+7y-12=180 | | -3(5p+6)-2(1-14p)-3(3+4p)=0 | | 7m=3535=7m | | 2(x+3)=-6-2x | | -9-2s=s | | r-9/4=3/4 | | 4/5+1/3t=6 |

Equations solver categories