2j^2-7j+5=0

Simple and best practice solution for 2j^2-7j+5=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 2j^2-7j+5=0 equation: 



2j^2-7j+5=0

a = 2; b = -7; c = +5;
Δ = b2-4ac
Δ = -72-4·2·5
Δ = 9
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$j_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$j_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{9}=3$


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


$j_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-7)+3}{2*2}=\frac{10}{4}
=2+1/2
$

See similar equations:

| 4s^2-s-3=0 | | 3x2−x=x10−65 | | (x-7)^2-108=0 | | 12x^2+16×+5=0 | | 3x+175=9.25 | | 2(x+3)+3(x-1)=138 | | 7k-4=5+9k | | x=4.6*((x+9.8)/9.5) | | 2x/8=10 | | 9x-30=-75 | | 2/3×+y=4/3 | | 3d^2-6=0 | | 2(-4x-8)=-24 | | -(x+4)-6(x-5)=40 | | X=123x= | | X-(-6)+9+2x-19=23 | | -4|8-5m|=13 | | 5x+3x=7x+6 | | 2(7-7x)=14 | | -41/6=2/3n+11/4n | | -7a+10=-8(a+11) | | 9y4+65y2−144=0 | | 5z-2z=-3 | | (4x/5)+7=6 | | -6+x/6=2 | | 2x+10=3x+65 | | 4(x-7)+6x=32 | | 5(6b-6)-3(b-2)=-51 | | −6x−1+5x^2=8x^2 | | 3x+6-2=-2 | | 2(5+t)=8 | | 74+8x=170 |

Equations solver categories