Question

How do you evaluate `(3- 4b ) ( 2( - 3) + 5a )` if `a=-1, b=-2`?

Answer 1

Answer is `-121`

Explanation:

Substitute in the given values and you will get the answer
by putting given values of a and b

`={3-4(-2)}{2(-3)+5(-1)}`

`={3-4(-2)}xx{2(-3)+5(-1)}`

`={3+8}xx{-6-5}`

`=11xx-11 =-121`