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Solve x^2 - 7ix - 12 = 0.

 Feb 18, 2021
 #1
avatar+108 
+1

Using Quadratic formula, use a, b and c to slove for x. By doing this I got x=(7i+i)/2

Tell me if i'm wrong :)

 Feb 18, 2021
 #2
avatar+73 
+3

I got the same answer. 

 

There are 2 solutions to the quadratic...

 

(x-4i)(x-3i)

so the solutions are 

4i and 3i

 Feb 18, 2021

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