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Anvisha [2.4K]
2 years ago
14

Expand and simplify 9 (x-y)^2-9(x+y)(x-y)

Mathematics
1 answer:
yuradex [85]2 years ago
5 0

To simplify the problem it would be: -18xy+18y^2

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Which way shows one way you can decompose 15 to find 42 x 15?
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Answer:

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which agrees with the third option (C) shown on the list of possible answers

Step-by-step explanation:

Notice that using distributive property we can write:

42 * 15 = 42 (10 + 5) = 42 * 10 + 42 * 5

which agrees with the third option (C) shown on the list of possible answers.

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