2q^2+7q+3=0

Simple and best practice solution for 2q^2+7q+3=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 2q^2+7q+3=0 equation: 



2q^2+7q+3=0

a = 2; b = 7; c = +3;
Δ = b2-4ac
Δ = 72-4·2·3
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

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


$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(7)-5}{2*2}=\frac{-12}{4}
=-3
$


$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+5}{2*2}=\frac{-2}{4}
=-1/2
$

See similar equations:

| 5y+15=-3(1y-1) | | -2x+17=65 | | 22.99x+.45=44.99x+.40 | | (X+4)(2x-2)=0 | | (x^2-5x-4)^2-3x(x^2-5x-4)+2x^2=0 | | 7w=$7.63 | | X=82x-4 | | 4x2−43=1816 | | 7(y+2)-(4y+10)=44-2y+5 | | 17-3x=-2.8 | | 4x+12=-36 | | 3x+1=3(x-1)+14 | | -(v-1)=6v+16 | | 40-3x=60-11x | | 18-5x=-15.5 | | 4(9w+1)+7w+6=55*8 | | 6x^-x-12=0 | | (3x+8)/3+(3x+5)/24=-5 | | 3(1-4n)-2(5n-3)=25 | | 5(12-3p)=15p | | (3x+8)/3+(3x+5/24)=-5 | | -6(n-7)+n=82 | | x(7-x)(2x-1)=8 | | 72-2x=86-3x | | 33/4y=6 | | x-1.1=7.3 | | -6x+9x=-30 | | -6x-20=-98 | | -3/2x+7/4=-x-5/3 | | 5u+3u=6 | | 4.5x-7=38 | | 9r=72;r=7 |

Equations solver categories