Question

Multiply 2a (b + 4c ) and evaluate if a = 1 , b = 2, c = 3

a) 23
b) 28
c) 25
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Answer 1

2a (b + 4c )

= 2ab+8ac

Here a=1,b=2,c=3

Then,

2ab+8ac= 2(1)(2)+8(1)(3)

= 4+24

= 28

Answer 2

Step-by-step explanation:

=2×1(2+(4×3))

=2(2+12)

=2(14)

=28

hope it helpful any doubt comment:)