Respuesta :

Split the second term in 3m^2 + 5 - 8m into two terms

3m^2 - 3m - 5m + 5

Factor out the common terms in the first two terms, then in the last two terms.

3m(m - 1) - 5(m - 1)

Factor out the common term m - 1

(m - 1)(3m - 5)