131k views
2 votes
Which value of a would make the following expression completely factored?

x²-a

A.12
B.36
C.49
D.81

User Woubuc
by
6.5k points

1 Answer

2 votes

Answer:

The answer is 12.

12 is not a perfect square like the others.

User Fiori
by
7.1k points
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