Question

simplify 15-2^3/4*7- 7

Answer 1

Is this your question?
\[\frac{15-2^3}{4*7- 7}\]

Answer 2

yes how did you type it this way meaning that line in between

Answer 3

\frac{15-2^3}{4*7- 7}
^ numerator ^ donminator
the add \[ at the front of \frac

Answer 4

and add \] at the end

Answer 5

\[\frac{15-2^3}{4*7- 7}= \frac{15-8}{28- 7} = \frac{7}{21} =???\]

Answer 6

3

Answer 7

thanks for showing me how to do this I have gotten alot of answer wrong in my class for not setting the problem up correctly.

Answer 8

Hm... it's not 3!!!

Answer 9

\[\frac{7}{21} = \frac{7 \times 1}{7 \times 3}\]
Cross out the common factor, what do you get?

Answer 10

1/3

Answer 11

{1/3}

Answer 12

Yes!~