3x2+46x+15=0

Simple and best practice solution for 3x2+46x+15=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 3x2+46x+15=0 equation:



3x^2+46x+15=0
a = 3; b = 46; c = +15;
Δ = b2-4ac
Δ = 462-4·3·15
Δ = 1936
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1936}=44$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(46)-44}{2*3}=\frac{-90}{6} =-15 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(46)+44}{2*3}=\frac{-2}{6} =-1/3 $

See similar equations:

| 9x+3x+36=180 | | 10x+4=16x | | (4v+10=3v+10+v) | | 8c+2=5c+14 | | -5-2(x+4)=7 | | -3(x-7)-5x=-19 | | (11/3)x=11/2 | | 1.5x+x=2500 | | 3n+1=32 | | 21.3+r=-19.27 | | u/4+16=35 | | -4x+8=26 | | -48x=6 | | 7x+20=-10+10x | | 13+7x=-3-7 | | 13+7x=3x-7 | | 3x+5+2x=145 | | m-22+m=90 | | 97.541-0.01(0.2+3x)=7.9x | | 6y+18=12y | | w=25-4w | | 450+9600=240-18x | | 100-60x=160x+208 | | 500-3t=70t-11 | | -v/2=47 | | -25=-u/8 | | 9=y/5-9 | | d/4+6=14 | | 9x-120=3x-130 | | 4.6x-1.2=54.6+0.8x | | 23x-7x=3x+8 | | (5x+18)=(8x-15) |

Equations solver categories