5z2+45z=0

Simple and best practice solution for 5z2+45z=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 5z2+45z=0 equation: 



5z^2+45z=0

a = 5; b = 45; c = 0;
Δ = b2-4ac
Δ = 452-4·5·0
Δ = 2025
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$z_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$z_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{2025}=45$


$z_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(45)-45}{2*5}=\frac{-90}{10}
=-9
$


$z_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(45)+45}{2*5}=\frac{0}{10}
=0
$

See similar equations:

| -8(3-6x)-7x=-352 | | 38=2x-12 | | 9(h-885)=747 | | (-3/30x)-(2/30)=0 | | 9(h−885)=747 | | 11/2x+21/2=1/2x-1/2 | | m/19+106=111 | | -19n+4=-15n-16 | | -3r-4=-58 | | 256-p=162 | | -7.3=-12.4-1.1x | | 256−p=162 | | 2w2+3w+12=5 | | 48-4t=-48 | | (8x-14)=(3x-1) | | 17+3y=62 | | 16+9p=34 | | 51=-4-5x | | 5x+26=7x+6 | | 16+4x+3x=128 | | 5=-2/3+w | | 5x+10=2(2x+7) | | 16=2(d+7) | | 3x-8(3x-8)=190 | | 7x−8=55 | | 86=6+5b | | (5/10x)+(1/3)=(3/5x)+(2/5) | | 3/4(x+51/2)=5/6 | | 43-m=12 | | -2.8=w÷-÷ | | 43−m=12 | | 11x+11/5=-33 |

Equations solver categories