3t2+9t-7=0

Simple and best practice solution for 3t2+9t-7=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 3t2+9t-7=0 equation:



3t^2+9t-7=0
a = 3; b = 9; c = -7;
Δ = b2-4ac
Δ = 92-4·3·(-7)
Δ = 165
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{165}}{2*3}=\frac{-9-\sqrt{165}}{6} $
$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{165}}{2*3}=\frac{-9+\sqrt{165}}{6} $

See similar equations:

| x+96+x96=180 | | -7(x-1)+2x=-3x+11 | | 4(a-2)+a=7a-7 | | 4(a-2)+a=0a-9 | | 4(a-2)+a=0a-0 | | 4(a-2)+a=0a-5 | | 4(a-2)+a=2a-0 | | 4(a-2)+a=2a-4 | | 5y=(7y-3) | | 4(a-2)+a=2a-6 | | 4(a-2)+a=2a-5 | | 3(x+1)+1=10+3 | | (7y-3)=5 | | 9y-8y+4=-5 | | 3/4=3/8d-3/2 | | 1+a÷9-4=0 | | 6x-4=8(2+1/4x) | | 8(6-b)=-36+4b | | x+30+x+2/5x+35x=360 | | 4x+7=7x+3 | | 2v/3=36 | | 3(x+1)=10+3 | | (4x+8)=5 | | 9p-18=28+3p | | X=127+5x | | 2+8+x=17 | | 3(x+1)=5(2) | | (6x+8)=(7x-12) | | 7+4(2x−3)=2x+2(3x−4) | | 8-2x=4×x | | 5p-4p=9 | | -11r-16=21 |

Equations solver categories