Evaluate
-\left(3+y-7x^{2}\right)
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-\left(3+y-7x^{2}\right)
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-\left(-7x^{2}+3+y\right)
Combine -3x^{2} and -4x^{2} to get -7x^{2}.
7x^{2}-3-y
To find the opposite of -7x^{2}+3+y, find the opposite of each term.
-\left(-7x^{2}+3+y\right)
Combine -3x^{2} and -4x^{2} to get -7x^{2}.
7x^{2}-3-y
To find the opposite of -7x^{2}+3+y, find the opposite of each term.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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