Answer:

Step-by-step explanation:
Distribute the ^3 on top
(27
)
distribute the ^ -9 on bottom, only to what is in the parenthesis
(27
)
the 27's cross out, the
's cross out
/
is left
move the
to the top of fraction to change its sign
·
=
The answer is 21x-25 because all you have to do is multiply the 1/4 by the 84x and then multiply 1//4 by negative 100. A simpler way of explaining this is just that you need to distribute
Answer:
-13
Step-by-step explanation:
Opposite of 9t = -9t
Taking the sum of 9t - 13 and -9t
Sum = 9t - 13 + (-9t)
Sum = 9t - 13 - 9t
Sum = 9t-9t - 13
Sum = -13
Hence the expression in standard form is -13