Evaluate
\left(3-x\right)\left(x+4\right)
Expand
12-x-x^{2}
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3x-x^{2}+12-4x
Apply the distributive property by multiplying each term of x+4 by each term of 3-x.
-x-x^{2}+12
Combine 3x and -4x to get -x.
3x-x^{2}+12-4x
Apply the distributive property by multiplying each term of x+4 by each term of 3-x.
-x-x^{2}+12
Combine 3x and -4x to get -x.
Examples
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Limits
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