Evaluate
\left(2r^{2}+4r+3\right)r^{4}
Expand
2r^{6}+4r^{5}+3r^{4}
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\left(2r^{5}+4r^{4}+3r^{3}\right)r
Divide each term of 18r^{5}+36r^{4}+27r^{3} by 9 to get 2r^{5}+4r^{4}+3r^{3}.
2r^{6}+4r^{5}+3r^{4}
Use the distributive property to multiply 2r^{5}+4r^{4}+3r^{3} by r.
\left(2r^{5}+4r^{4}+3r^{3}\right)r
Divide each term of 18r^{5}+36r^{4}+27r^{3} by 9 to get 2r^{5}+4r^{4}+3r^{3}.
2r^{6}+4r^{5}+3r^{4}
Use the distributive property to multiply 2r^{5}+4r^{4}+3r^{3} by r.
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