SOLUTION: The product of two consecutive integers is 4 less than 4 times their sum. Find the integers.
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Question 212031
:
The product of two consecutive integers is 4 less than 4 times their sum. Find the integers.
Answer by
edjones(8007)
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Let the integers be n and n+1
n(n+1)=4(n+n+1)-4
n^2+n=4(2n+1)-4
n^2+n=8n+4-4
n^2-7n=0
n(n-7)=0
n=0, n=8
.
There are 2 correct answers:
0 and 1
8 and 9
.
Ed