Question

Which expressions are equivalent to -7+3(-4e-3)?

a. −4(3e+4)
b. 12e
c. none of the above

Answer 1

A

Explanation:

simplify

-7+3(-4e-3)

=-7-12e-9

=-16-12e

rearrange

-12e-16

take -4 from equation

-4(e3+4)

or

multiply -4 in a

-4(3e)+-4(4)

-12e-16

Answer 2

c. none of the above

Explanation:

-7+3(-4e-3)

-4(-4e - 3)