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I’m so confused help pls

I’m so confused help pls
asked 149k views
1 vote
I’m so confused help pls

I’m so confused help pls-example-1
asked
User Ahmed ElMetwally
by
7.8k points

1 Answer

5 votes

Explanation:

A: n(n+1) = 72

B

n^2 + n = 72

n^2 + n -72 =0

(n+9)(n-8) = 0

answered
User Anupam Chand
by
7.4k points
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