00:01
Here we have an expression that we want to simplify.
00:04
We have negative 3 minus 2 times the quantity of 4 minus 1.
00:09
So when we have expressions like this, what we want to do is remember pemdas.
00:15
It's how i remember it.
00:17
Please excuse my dear aunt sally's another one.
00:19
But basically what's important is it tells you the order.
00:22
We want to start with the p, which is parentheses.
00:25
They always come first.
00:27
Then exponents, multiplication, division, addition, and subtraction.
00:31
You go in that order.
00:31
And otherwise you go from left to right...