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What number would you add to both sides of x2 + 7x = 4 to complete the square? A. 2^2 B. 7^2 C. 7^2/2 D. (7/2)^2

What number would you add to both sides of x2 + 7x = 4 to complete the square? A. 2^2 B. 7^2 C. 7^2/2 D. (7/2)^2
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4 votes
What number would you add to both sides of x2 + 7x = 4 to complete the square?

A. 2^2
B. 7^2
C. 7^2/2
D. (7/2)^2

asked
User Deegriz
by
8.2k points

1 Answer

2 votes

D. (7/2)^2

Then, you would be able to factor it to (x+3.5)^2

answered
User Bill Armstrong
by
8.3k points
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