3x2+12=312

Simple and best practice solution for 3x2+12=312 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+12=312 equation:



3x^2+12=312
We move all terms to the left:
3x^2+12-(312)=0
We add all the numbers together, and all the variables
3x^2-300=0
a = 3; b = 0; c = -300;
Δ = b2-4ac
Δ = 02-4·3·(-300)
Δ = 3600
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{3600}=60$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-60}{2*3}=\frac{-60}{6} =-10 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+60}{2*3}=\frac{60}{6} =10 $

See similar equations:

| 2t=t+41 | | 4+8x-4=-26 | | y=17(4+10)-810/7-10 | | 3x2-6=0 | | x2-9=40 | | 0.002y-0.16y=0.7 | | 2x+3*6=24 | | 5x-10=x=6 | | 12+3y=14 | | 27x-12=11x+20 | | 2x-9=40 | | 7(3+5x)=3(7+9x) | | 5x2=2x | | X+2(x-4)=24 | | 10+w=10w | | —4n=6 | | 6z=z+60 | | q-46/5=8 | | x-x+x=4 | | 15(x+8)/5=45 | | 2x+(2x+2)+(2x+4)=66 | | w+24=180 | | 5x-2=3×12 | | 10u+3=93 | | 6=n—4 | | 80=8(d-79) | | 6x-57=21 | | 5x-(-7)=13 | | d+19/10=5 | | 9p-12=48 | | 45=j/6+48 | | 26=w/4+32 |

Equations solver categories