Evaluate
\left(1-x\right)\left(x+3\right)
Expand
3-2x-x^{2}
Graph
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-\left(x^{2}+2x+1\right)+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+1\right)^{2}.
-x^{2}-2x-1+4
To find the opposite of x^{2}+2x+1, find the opposite of each term.
-x^{2}-2x+3
Add -1 and 4 to get 3.
-\left(x^{2}+2x+1\right)+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+1\right)^{2}.
-x^{2}-2x-1+4
To find the opposite of x^{2}+2x+1, find the opposite of each term.
-x^{2}-2x+3
Add -1 and 4 to get 3.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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