Question 742219: solve the problem. Use the five-step problem -solving approach.
A number is 42 less than its square. Find all such numbers.
the numbers are_____. (use a comma to seperate answers as needed)
Answer by lynnlo(4176)   (Show Source):
You can put this solution on YOUR website! N=NUMBER
N=^2-42
0=N^2-42-N
N^2-N-42=0
(N-7)(N+6)=0
N-7=0, N+6=0
N=7,,,,,,,,,N=-6
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