Question

An example of an equality relation of two expressions in x , which is not an identity is
1. (x+3)^2 = x^2 + 6x +9
2. (x + 2y)^3 = x3 + 8y^3 + 6xy(x+2y)
3. (x+2)^2 = x^2 + 2x + 4
4. (x+3) (x-3) = x^2 - 9

Answer 1

Answer:

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The second one is the correct answer...

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Answer 2

Answer:

(x + 2y)^3 = x3 + 8y^3 + 6xy(x+2y)

Step-by-step explanation:

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