The answer depends on how you combine the numbers:
(12 / 4 * 2) - 1 + 5 = 6 - 1 + 5 = 10
[(12 / 4) * (2 - 1)] + 5 = 3 + 5 = 8
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666,666,665.667
As written, those are the same. For that sentence to equal 3, we need to use parentheses. (8 + 4) divided by 2 minus (1 x 3)
-- If they're being multiplied or divided, then they make a minus. -- If they're being added or subtracted, then they can make either a plus or a minus. It depends on which one is bigger.
Why don't you figure it out yourself
By factoring I get x-3 divided by x+3