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Which choice is equivalent to the product below for acceptable values of x? √x+4 • √x-4 A. √x²-16 B. √x² +16 C. √x^2 D. x
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3 votes
Which choice is equivalent to the product below for acceptable values of x?

√x+4 • √x-4


A. √x²-16
B. √x² +16
C. √x^2
D. x

User CodyK
by
8.2k points

2 Answers

5 votes

Answer:

A)
√(x^2-16)

Explanation:


√(x+4)\cdot√(x-4)=√((x+4)(x-4))=√(x^2+4x-4x-16)=√(x^2-16)

User Pravind Kumar
by
8.4k points
6 votes

Answer:

A. is correct

Explanation:

User ZoogieZork
by
8.5k points
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