Expand
18+3x-4x^{2}-x^{3}
Evaluate
\left(2-x\right)\left(x+3\right)^{2}
Graph
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\left(2-x\right)\left(x^{2}+6x+9\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
-4x^{2}+3x+18-x^{3}
Use the distributive property to multiply 2-x by x^{2}+6x+9 and combine like terms.
\left(2-x\right)\left(x^{2}+6x+9\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
-4x^{2}+3x+18-x^{3}
Use the distributive property to multiply 2-x by x^{2}+6x+9 and combine like terms.
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