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What number must be added to the expression below to complete the square? X^2-7x

What number must be added to the expression below to complete the square? X^2-7x
asked 40.1k views
3 votes
What number must be added to the expression below to complete the square? X^2-7x

asked
User Hieu
by
8.1k points

1 Answer

7 votes

Answer:

49/4

Explanation:

x² -7x +(7/2)²=(x-7/2)²

x²-2x·7/2+ (7/2)²=(x²-7/2)²

(7/2)²=49/4

answered
User Med Karim Garali
by
8.4k points
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