Question 2(iv)Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the following products:(4x+5)(4x−1)

Question 2(iv)Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the fol

1.	Question 2(iv)Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the following products:(4x+5)(4x−1)
Answer» Question 2(iv) Use the identity $(x + a) (x + b) = x^{2} + (a + b) x + a b$ to find the following products: $(4 x + 5) (4 x - 1)$