Question

If a=2, b= -3, c=4, d= 5 and e= -6, find the value of each of the following
A) 3a-3(2c-e)
B) 4(a-3b)-5c
C)4c-(a-2b-e)
D) 9c-3(2d+c)
E) 7e-5b²+4ac
F) 5abe-4(e+c)²

Answer 1

Answer:

A) 3(2)-3(2(4)-(-6))

6-3(8+6)

6-3(14)

6-42=-36

Answer 2

Answer:

B) 4(a-3b)-5c

=4×2-3×(-3)×(-5)×4

=8+9×(-20)

=17+(-20)

=-340