What’s the answer for the equation 3a^2-48

Factor 3a2−48

3a2−48

=3(a+4)(a−4)

3(a+4)(a−4)

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !