Question

find the value of the expression 36x2+60xy+2y2, x=4 and y=-7.
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Answer 1

Answer:

7392

Explanation:

36×2+60×xy+2y2

72+60×28+28

132×56

7392

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Answer 2

x=4,y=-7 36x2+60xy+2y2 36(4)2+60(4)(-7)+2(-7)2 288-1680-28 -1420 answer.