Evaluate
\left(x+1\right)\left(x+9\right)
Expand
x^{2}+10x+9
Graph
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9-6x+x^{2}+16x
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3-x\right)^{2}.
9+10x+x^{2}
Combine -6x and 16x to get 10x.
9-6x+x^{2}+16x
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3-x\right)^{2}.
9+10x+x^{2}
Combine -6x and 16x to get 10x.
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