Math, asked by nitusantosh4you, 5 months ago

express as a perfect square and find the valve 25x^2+40xy+16y^2 when x=-18 and y= 23

Answers

Answered by mishrag19962006

2

Answer:

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Step-by-step explanation:

25×18×18+ 40×18×2+16×2×2

8100+1440+64

9604

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