How do you evaluate $9-15div3(-3)^2+22$ ?

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Answer 1 · 2015-06-07T13:41:20

Operations in a calculation have priority rules:

powers > multiplications/divisions > additions/subtractions

$rarr 9-15/3(-3)^2+22$ should be solved like this:

$9-15/3(-3)^2+22 = 9-15/3*9+22$
$= 9-5*9+22$
$= 9-45+22$
$= -36+22$
$= -14$

How do you evaluate 9-15div3(-3)^2+229-15div3(-3)^2+22?