Question

(54m3 + 18m2 - 27m + 5 ) ( m - 3 )​

Answer 1

Answer:

$\left(54m^3+18m^2-27m+5\right)\left(m-3\right)\\= 54m^3m+54m^3\left(-3\right)+18m^2m+18m^2\left(-3\right)+\left(-27m\right)m+\left(-27m\right)\left(-3\right)+5m+5\left(-3\right)\\= 54m^3m-54\cdot \:3m^3+18m^2m-18\cdot \:3m^2-27mm+27\cdot \:3m+5m-5\cdot \:3\\= 54m^4-144m^3-81m^2+86m-15$

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