Question

give a possible expressions for the length and breadth of a rectangle whose area is given by 4a^2 + 4a -3

Answer 1

$area \: \: = 4 {a}^{2} + 4a - 3 \\ on \: factorisng \\ 4 {a}^{2} + 6a - 2a - 3 \\ 2a(2a + 3) - 1(2a + 3) \\ (2a - 1)(2a + 3)$
possible expressions are 2a-1 and 2a+3

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