Is the following binomial a difference of squares? 9a^2 – 8b^2?
Yes or No
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yes. (3a – 8^½ b)(3a + 8^½ b) = 9a^2 – 8b^2
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ANYTHING which is written in the form A^2-B^2 is the difference of two squares.
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No, difference of squares requires both coefficients to be perfect squares. 9 is (3 squared), but 8 is not.
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No, because 8b^2 can’t be factored to two equal numbers.
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Yes.
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