How do you simplify $4 + 3 (12 - 9)$ $4+3(12-9)$ using order of operations?

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Answer 1 · 2015-11-18T12:22:53

Use PEMDAS (parentheses, exponents, multiplying & dividing, adding & subtracting)

Let's start with the parentheses.
$(12 - 9) = 3$ $(12-9) = 3$
This gives us:
$4 + 3 (3)$ $4 + 3(3)$

We dont have any exponents, so we skip this fase.

Next step is multiplying and dividing.
$4 + 3 \cdot 3 = 4 + 9$ $4 + 3 * 3 = 4 + 9$

Then, add and subtract from left to right.
$4 + 9 = 13$ $4 + 9 = 13$

So the answer is 13.

How do you simplify 4+3(12−9)4+3(12-9) using order of operations?