Question

Please, multiply:3(3m + 4n) (m + 2n)

Polynomials
ANSWERED
asked 2021-02-09

Please, multiply: \(3(3m + 4n) (m + 2n)\)

Answers (1)

2021-02-10

\(3(3m + 4n) (m + 2n) =\)

\(= 3( 3m \times m + 3m \times 2n + 4n \times m + 4n x\times 2n) = \)

\(= 3(3m^2 + 6mn + 4mn + 8n^2) =\)

\(= 9m^2 + 18mn + 12mn + 24n^2 = \)

\(= 9m^2 + 30mn + 24n^2\)

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