8y2+10y-25=0

Simple and best practice solution for 8y2+10y-25=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 8y2+10y-25=0 equation:



8y^2+10y-25=0
a = 8; b = 10; c = -25;
Δ = b2-4ac
Δ = 102-4·8·(-25)
Δ = 900
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{900}=30$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10)-30}{2*8}=\frac{-40}{16} =-2+1/2 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10)+30}{2*8}=\frac{20}{16} =1+1/4 $

See similar equations:

| 15x2+14x−16=0 | | 5(x+3)=160 | | 3x=5+33x | | -7+x=-(x+7 | | 0=(7x²)(6x⁻²) | | 9x+1+7x=13 | | X^2y-20y=0 | | -4(2-1.2x0)=40 | | x+58=45 | | 3x+4(4/17)=5 | | 2(11-­x)=40 | | 2x+7+3x=7* | | 2x=46/17 | | 4(q-7)=18 | | 5/8x-8=12 | | 6x2-5x=7 | | 4x–x=18 | | 9+2x=3 | | 25=-3(c+2)+2c | | 12x-14=10 | | 5(x+20)=7x+307x+30​​ | | v=1/3(16)(6) | | 7r+10-r2r=7 | | 10/x-7=-8 | | 2b=1/3 | | h-1/8=5/8 | | x-21=5-x | | 6k-13=18 | | 3x-6=6-3x=2 | | 1/x+2/x^2=3 | | p=190-1050 | | 17-5p=3 |

Equations solver categories