SOLUTION: Find the Value of K K.......3+K.........-10 1-K......2-K......... 5 = 48 2 ......4+K......... -K

Question 1121866: Find the Value of K
K.......3+K.........-10
1-K......2-K......... 5 = 48
2 ......4+K......... -K
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!

Use formula for the left side of the equation:





That simplifies to:

 = left side of equation:

So the equation is:



Get 0 on the right by subtracting 48 from both sides



Factor left side:

 

Use zero-factor principle:

K+6 = 0;  K-3 = 0
  K = -6;   K = 3   <---two solutions!

Edwin

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