Question

Use suitable identities to find the following products:
(1) (x+4) (r +10)
(ii) (r+8) (r-10)
(ii) (3x + 4) (32-5
(iv) (+) 0-3
(v) (3-2v) (3 + 2x)​

Answer 1

Answer:

1 xr + 4r+10x+40. 2 2r+8r-10r+80