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netineya [11]
3 years ago
14

Evaluate each expression, Name the property used in each step 1. 2+ 6 (9-3^2) - 2  

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
6 0
PEMDAS!!
or an easy way to remember it is Please Excuse My Dear Aunt Sally
which stands for Parentheses, Exponent, Multiplication, Division, Addition, and Subtraction Go in order from p to s from left to right as you would read it
Parentheses first (9-3^2) start with the exponent 3^2=9 then subtract
(9-9)=0 so now we have 2+6(0)-2 Multiply next so 6(0)=0 then we have 2+0-2
next add 2+0=2  then we have 2-2 then subtract 2-2=0 so the overall answer is 0 
but you have multiply, added, and subtracted throughout the process
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77julia77 [94]
I figured out the first question, the second one in lost on.

\frac{(6-x)}{x^2+3x-28} / \frac{x^2-36}{x^2+5x-36}

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Cancel the like factors *excuse the zero im just showing you*

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Combine frunctions

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