Give possible expressions for the length and breadth of the rectangle whose area is given by 4

Given


Area = 4a2 + 4a − 3


= 4a2 + 6a – 2a − 3


= 2a (a + 3) − 1(2a + 3)


= (2a + 3)(2a − 1)


⟹ Length = 2a + 3 and Breadth = 2a + 3


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