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*PLEASE HELP!* Which of the following expressions could be factored using difference of squares? A.) x^2 - 17 B.) 4x^2 - 81y^4 C.) x^2 + 16 D.) 2x^2 - 4
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*PLEASE HELP!*

Which of the following expressions could be factored using difference of squares?

A.) x^2 - 17

B.) 4x^2 - 81y^4

C.) x^2 + 16

D.) 2x^2 - 4

User Radio Controlled
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B
The answer is B because all the terms can be square rooted evenly and the question asked for a DIFFERENCE of squares
C would be correct if it had a subtraction sign instead of addition
User Lenford
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