Question

5. If an operation is defined as a *b= a + b * a - b, then an
(a) 2 * (-3) (b) (-5) * (-7) (c) {-4* 7}*(-2)​

Answer 1

Answer:

a) 2*(-3) = 2*-3 = -6

b) (-5)*(-7) =firstly multiply -5*-7 =+35 (I know -,- = +) then, ans is in +.

c) {-4*7}*(-2) firstly bracket work -4*-7=-28

then -28*-2 = + 56 (I know -,- = +)

I hope I help uh.