Evaluate
\left(5r-2s\right)\left(3r+s\right)
Expand
15r^{2}-rs-2s^{2}
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15r^{2}-6rs+5sr-2s^{2}
Apply the distributive property by multiplying each term of 3r+s by each term of 5r-2s.
15r^{2}-rs-2s^{2}
Combine -6rs and 5sr to get -rs.
15r^{2}-6rs+5sr-2s^{2}
Apply the distributive property by multiplying each term of 3r+s by each term of 5r-2s.
15r^{2}-rs-2s^{2}
Combine -6rs and 5sr to get -rs.
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