Express each of the following as perfect square and then find the value of:25x²+9yx²+30xy when x=2 and y=2
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Answer:
25x²+9y²+30xy
put the value of x and y
25(8)²+9(10)²+30(9×10)
25×64+9×100+30×90
1600+900+2700
5,200
Step-by-step explanation:
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