Question

Simplify the expression: a+3(a-4)-5a and evaluate it for a=2
help me​

Answer 1

Answer:

-14

Step-by-step explanation:

substitute a=2 in the expression

2+3(2-4)-5*2

= 2+3(-2)-10

=2-6-10

=-14

Answer 2

Answer:

-120

Step-by-step explanation:

a=2

a+3(a-4)-5a

2+3(2-4)-5×2

6(2-4)-5×2

6(2-4)-10

6×2(-10)

12×-10

-120