Question

Evaluate the following expression if a = 3 b = 4 and c = - 5

Thanks

Answer 1

( a + b )( c - b )

= ( 3 + 4 )( -5 - 3 )

Explanation:

( 3 + 4 )

= 7

(-5 - 3 )

= -8

-

(7)(-8)

= -56