Question

2. (
Use the identity (x+a) (x+b)=r+(a+b)xtab to find the following products.
( (+3) (r + 7)
4r + 5) (4x + 1)
(48-5) (4r-1)
(iv) (4.r+5) (4x - 1)
(v) (2x + 5y) (2x + 3y)
(vi) (20++ 9) (20° +5)
(vii) (-4) (-2)​

Answer 1

Answer:

sorry I can't help

plz follow me

#single