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What value added to x^2+2x would complete the square? A: -1 B:4 C: 1 D:2

What value added to x^2+2x would complete the square? A: -1 B:4 C: 1 D:2
asked 8.1k views
2 votes
What value added to x^2+2x would complete the square?

A: -1

B:4

C: 1

D:2

asked
User Chili
by
7.4k points

1 Answer

3 votes
D is the only one which would make sense :)
answered
User Masoud Abasian
by
8.4k points
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