2b^2+5b-3=0

Simple and best practice solution for 2b^2+5b-3=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 2b^2+5b-3=0 equation: 



2b^2+5b-3=0

a = 2; b = 5; c = -3;
Δ = b2-4ac
Δ = 52-4·2·(-3)
Δ = 49
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$b_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$b_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{49}=7$


$b_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-7}{2*2}=\frac{-12}{4}
=-3
$


$b_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+7}{2*2}=\frac{2}{4}
=1/2
$

See similar equations:

| (x+6)+(x-2)=90 | | (x/2)-7=65 | | 16t^2-55t+25=0 | | (n/3)+4=13 | | 3(x+3)=4(2x-4)-4 | | 5x/2+3/2=4 | | 29)26=13d | | w/8=-1 | | 2(4x-12)=8 | | (t-10)^2-16=0 | | 3v+6=-21 | | 5g+3=3g-9 | | u÷6=-24 | | (x-23)+(x+65)=180 | | 5=31/x+5 | | 3+3x-11=11x+3-8x | | |10x-3|=17 | | 5x-300=0 | | (3x-2)-10=36 | | 8x-3=-4x+6 | | 28)14=2c | | -9×+6=-x+4 | | -4+2(x-1.5)=0 | | -4+12x=26 | | 26)h/4=15 | | 12(7/6)+4y=15 | | 25)n/10=40 | | 4-3(2+5x)=43 | | 2^2-13x=0 | | -2.50y+4y=105 | | 5y+y=28 | | |4x-1|-3=14 |

Equations solver categories