y2+7y-44=0

Simple and best practice solution for y2+7y-44=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 y2+7y-44=0 equation:



y2+7y-44=0
We add all the numbers together, and all the variables
y^2+7y-44=0
a = 1; b = 7; c = -44;
Δ = b2-4ac
Δ = 72-4·1·(-44)
Δ = 225
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{225}=15$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(7)-15}{2*1}=\frac{-22}{2} =-11 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+15}{2*1}=\frac{8}{2} =4 $

See similar equations:

| 0.8x-0.9=7.9 | | -0,05x²+0,75x+2=0 | | z+61=87 | | x+4/7=5/14= | | 7x-20+2x-5=21 | | d+42=82 | | x+4/7=5/14×= | | 10(1-3v)=-8((6v+1) | | 11x-+24=12x+13 | | 9s-15=75 | | 95=k+69 | | 3/8f-3/2=3/4 | | 8k-6+58=2(4k+5) | | 2(4m−5)−(6m+11)=33 | | a+24=41 | | 1-(5x/4)=6 | | -6,y+6-3y=15 | | -d+7-3=4 | | 7n2–14n–56=0 | | -x+4+2x=2x | | 2z=54 | | 20w-17w-2w+5w=18 | | 4x-1=2(x-8) | | 214=16x | | 1(6m+8)=4(17-m) | | -108=2x+3(4x+6) | | -7/1x=-7 | | (4^x)^3=16(2^x) | | 2x+2=4x+1-2x | | -2t+20t+-2t=-16 | | 2q=3=q=8 | | 21=9u-6u |

Equations solver categories