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The square of the binomial x-4 has the form x^2-ax+16. What is the value of a?

The square of the binomial x-4 has the form x^2-ax+16. What is the value of a?
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4 votes
The square of the binomial x-4 has the form x^2-ax+16. What is the value of a?

User AuX
by
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2 Answers

2 votes
i think its 8 but i may be wrong but it would look like x^2-8x+16
User Ferdinando Randisi
by
8.6k points
4 votes
a=-8x
^^^^^^^^^^^^^^^
User MhdSyrwan
by
7.8k points
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