Find the smallest root of the equation (x + 5)(x + 3) – (x + 5)(2x + 7) = 0
(x + 5)(x + 3) – (x + 5)(2x + 7) = 0
→(x + 5)(x + 3 – [2x + 7]) = 0
→(x + 5)(-x – 4) = 0
→(x + 5)(x + 4) = 0
→x = -4 or -5.
→(x + 5)(-x – 4) = 0
→(x + 5)(x + 4) = 0
→x = -4 or -5.
So the smallest root is -5.