Question

find the product 7xy ( 4xy + 12y²) and find its value for x = -2 and y = 2.5​

Answer 1

Step-by-step explanation:

Upon multiplying 7xy (4xy + 12y^2)

We get 28x^2y^2 + 84xy^3 ('^' means that it is the power)

When we substitute the values given in the question, we get

481.25

Answer 2

Step-by-step explanation:

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