(x + a) (x + b) = …………………A) x2 + (a + b) x + ab B) x2 – (a-b) x – ab C) x2 – ab D) x + ab

(x + a) (x + b) = …………………A) x2 + (a + b) x + ab B) x2 �

1.	(x + a) (x + b) = …………………A) x2 + (a + b) x + ab B) x2 – (a-b) x – ab C) x2 – ab D) x + ab
Answer» A) x² + (a + b) x + ab