D^2 = 16D2=16 solve quadratic equation?

thanks

1 Answer
Guillaume L.
May 16, 2018

D_1=8D1=8
D_2=-8D2=−8

Explanation:

D²=16
D²-16=0
We know that a²-b²=(a-b)(a+b)
So :
(D-8)(D+8)=0
So now we can see that there's two solutions :
D_1=8
D_2=-8
\0/ here's our answer!

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