The cost of a chocolate is rs.(x+y) and amir bought (x+y) chocolates. Find the total amount paid by him in terms of x and y if x=10,y=5 find the amount paid by him.
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6
Answer:
225
Step-by-step explanation:
(x+y)(x+y)=x square + y square + 2 x y
10 square + 5 square + 2 × 10 × 5
100+25+100
225
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