(x + a) (x – b) = ………………….= A) x2 + ax – bx – ab�

1.	(x + a) (x – b) = ………………….= A) x2 + ax – bx – ab B) x2 + (a + b) x – abC) x2 – ax – ab D) None
Answer» A) x² + ax – bx – ab Correct option is (A) x² + ax – bx – ab (x + a) (x – b) \(=x^2+ax-bx-ab\) \(=x^2+(a–b)x–ab\)

(x + a) (x – b) = ………………….= A) x2 + ax – bx – ab B) x2 + (a + b) x – abC) x2 – ax – ab D) None

Answer»

A) x² + ax – bx – ab

Correct option is (A) x² + ax – bx – ab

(x + a) (x – b) \(=x^2+ax-bx-ab\)

\(=x^2+(a–b)x–ab\)