Question

On the Earth Day, cubical flower pots (with plants) of base area (x2 + 6x + 9|
square units were placed on a rectangular lane of area (x + 3)(7x + 21) square
unit.
(a) How many pots were placed?
(b) Write the importance of trees in our life.
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Answer 1

Answer:

no. of pots =area of rectangular lane /area of each pot

=(x+3)(7x+21)/x^2+6x+9

=7 (x+3)^2/(x+3)^2

=7

or