Mathematics
Mathematics, 30.11.2019 02:31, brianna8739

What number must be added to the expression below to complete the square?

x2 - 9x

a .-18/4
b. -9/2
c 81/4
d 9/2

answer
Answers: 3

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Do you know the correct answer?
What number must be added to the expression below to complete the square?

x2 - 9x

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