Question

No.
③ simplify & find valus
a= -1 & b= 1
(a +2b) (a-3b)​

Answer 1

-4 is the answer.

........................

Answer 2

Sol= Step by step

(a+2b) (a-3b)----eq 1

Putting a= -1 and b= 1 in eq 1

Now, (-1+2×1)(-1-3×1)

(-1+2)(-1-3)

1 × - 4

-4

Answer=-4