Question

a colony has (2x+y) buildings.each building has (3x-5y) flats each flat has (x+3y) rooms. how many rooms are there in the colony?​

Answer 1

$6 x^{2} + 11x ^{2} y - 26xy^{2} - 15y ^{2}$

Answer 2

Step-by-step explanation:

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