2p2+9p+7=0

Simple and best practice solution for 2p2+9p+7=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 2p2+9p+7=0 equation: 



2p^2+9p+7=0

a = 2; b = 9; c = +7;
Δ = b2-4ac
Δ = 92-4·2·7
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{25}=5$


$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-5}{2*2}=\frac{-14}{4}
=-3+1/2
$


$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+5}{2*2}=\frac{-4}{4}
=-1
$

See similar equations:

| 5x(x+2)=1+x/2 | | 6x-29=36=36 | | -3+7r=13+5r | | g/3-7=15 | | x^2+8x−3= -2x-3 | | 0.19k=1.52 | | k/2+9=30 | | 9+3y= | | 9+7b=37 | | 3b-93=2b-51 | | -0.2x+1.2=1.1 | | 19m=-418 | | 0=n+38/10 | | 2x²-16x-18=0 | | 2b-33=2b-51 | | w/10+-28=-22 | | 3(x–8)=6 | | g/6+43=48 | | 19x-4=18+2 | | g-14=50 | | 18.20=6x=3.20 | | 4w-89=2w-21 | | 3x+2x=175 | | x/2.6=8.9 | | 9c+1=102)6c–5=7 | | 4x+1/x=0 | | 2/3x=2/5x3/5 | | n/8=9.3 | | 6(2n-8)=12 | | 5.05=2.50+3x | | −10x+9x=12 | | -36+m=-27 |

Equations solver categories