Respuesta :
To factor completely 18b - 32, we factor out the common factor of the two terms and divide each of term by the common factor.
18b - 32 = 2(18b/2 - 32/2) = 2(9b - 16)
18b - 32 = 2(18b/2 - 32/2) = 2(9b - 16)