Question

Express as a perfect square and find the value: (11-15)
11.25x2 + 40xy + 16y2, when x=-18 and y= 23.​

Answer 1

Answer:

Express as a perfect square and find the value: (11-15)

11.25x2 + 40xy + 16y2, when x=-18 and y= 23.

Answer 2

Explanation:

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