Question

3. If a = 1, b = -2, c = -3, then the value of 3ab + 2cb - 5c2 is
(a) -51
(b) 27
(c) -63
(d) -39​

Answer 1

Answer:

a=1

b=-2

c=-3

so we substitute in the places

3(1)(-2)+2(-3)(-2)-5(-3)2

= 36