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1 answer:
Option c : 9 is the answer.
Explanation:
The expression is
We need to determine the subtracted value of the expression.
From the expression we can see that the expression contains two negative signs.
To simplify the expression, we know that, When we multiply two negative numbers then the product is always positive.
This means
Thus, the expression can be written as
Adding the two numbers, we get,
Thus, the value of the expression is 9.
Hence, Option c is the correct answer.
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Answer:
Work Shown:
I'm assuming your teacher wants you to factor as much as possible.
In the last step, I used the rule that
We cannot factor any further. If the first term was instead of
, then we could use the difference of squares factoring rule.