How do you simplify #(13 xx 2 - 5^2)/[3^2 - (-3)^2]# using PEMDAS?
1 Answer
Sep 3, 2016
Undefined because division by zero is not permissible.
Explanation:
Identify the separate terms first.
Although the whole fraction is one terms, there are 2 terms in the numerator and 2 terms in the denominator.
Each term must be simplified to a single answer and these will be dded or subtracted last.
Do operations in brackets first.
Then do the strongest operations: powers and roots.
Then the weaker operations: multiply and divide,
Last the weakest operations: addition and subtraction.
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=undefined because division by zero is not permissible.
