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

asked Jan 14, 2019 98.1k views

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Lenford · Answer 1 · 2019-01-19T15:14:52+0000

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

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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