How do you simplify #(x-c)-(2x-4c)#?
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Technically you could write
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ So by removing the brackets we have:
Grouping like terms
Putting it all together
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To simplify the expression ( (x-c) - (2x-4c) ), you distribute the negative sign inside the parentheses of the second expression, which changes the signs of all terms inside the parentheses. Then, you can combine like terms.
( (x - c) - (2x - 4c) = x - c - 2x + 4c )
Combine like terms:
( x - 2x = -x )
( -c + 4c = 3c )
So, ( (x - c) - (2x - 4c) = -x + 3c ).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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