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e-lub [12.9K]
3 years ago
8

Find two consecutive odd integers whose product is equal to 63​

Mathematics
1 answer:
valentinak56 [21]3 years ago
8 0

Answer: If you need to see a systematic solution, let the 2 numbers be n and n + 2.

 

n(n + 2) = 63

 

n2 + 2n - 63 = 0

 

(n - 7)(n + 9) = 0

 

n = 7 or -9

 

If n = 7, then n + 2 = 9

If n = -9, then n + 2 = -7

This is based on knowledge of composite numbers: 7 times 9 = 63.

 

The only other pair of numbers satisfying this is -7 and -9

A bit confusing but hopes that helps out somewhat

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