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