Evaluate
2\left(x^{2}+5x+20\right)
Factor
2\left(x^{2}+5x+20\right)
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0x^{3}+2x^{2}+10x+40
Multiply 0 and 25 to get 0.
0+2x^{2}+10x+40
Anything times zero gives zero.
40+2x^{2}+10x
Add 0 and 40 to get 40.
2\left(0+x^{2}+5x+20\right)
Factor out 2. Polynomial x^{2}+5x+20 is not factored since it does not have any rational roots.
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