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Fill in the blank to make the expression a perfect square.. . u^2-16u+?

Fill in the blank to make the expression a perfect square.. . u^2-16u+?
asked 155k views
3 votes
Fill in the blank to make the expression a perfect square.. . u^2-16u+?

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User Elzoy
by
7.6k points

1 Answer

2 votes
u² - 16 u + 64 = ( u - 8 )²
because: A² - 2 A B + B² = ( A - B )²
Answer: 64
answered
User Simon Fromme
by
8.2k points
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