2a2-9a+10=0

Simple and best practice solution for 2a2-9a+10=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 2a2-9a+10=0 equation:



2a^2-9a+10=0
a = 2; b = -9; c = +10;
Δ = b2-4ac
Δ = -92-4·2·10
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-9)-1}{2*2}=\frac{8}{4} =2 $
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-9)+1}{2*2}=\frac{10}{4} =2+1/2 $

See similar equations:

| -2(u-3)=9u-38 | | 9x=31-5 | | x/15-28=xx2 | | 0.5v+3=10 | | -4+13y+9=16+15y-23 | | -6(w-8)=4w-38 | | 2^(2x)=8^(1-x) | | 2x+x/3=105 | | x/4-x/9=10 | | 3+4^(2k-8)=24 | | 800xx=2400 | | 7x+17=96.x= | | 5n-3n=7n-5n= | | 7x+17=96x= | | 7x+17=96 | | 2-7g=23 | | 4y2+5y-12=0 | | 3.2^x=96 | | 2y1+20=20 | | 20.x/8-1/2=x/6-2 | | (7x3)=30 | | 3e.e=3 | | 0.84-0.03x=2.78 | | x^2-5x-2446=0 | | x+(146-x)+(146-x)=180 | | 2-(3x-8))5-(4x-9)=1/2 | | 1/3(2p-1)=5/9 | | (3t-2)/4=(2t+3)/3=3/3-t | | 0.22(350+x)=x | | 0.3(350+x)=x | | 150x+100x(250-80x)=170x+250 | | 7^(x+1)-7^(x-1)=336 |

Equations solver categories