SOLUTION: Twice the number is 8 less than its square. What is the number or numbers?

SOLUTION: Twice the number is 8 less than its square. What is the number or numbers?

Algebra.Com

Question 1017918: Twice the number is 8 less than its square. What is the number or numbers?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let n be your number. Then:
2n=n^2-8
n^2-2n-8=0
(n-4)(n+2)=0
n=4,-2!!!!!!!!
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