two students in mr d'alsesandro's class were asked to write an equivalent expression for the expression (a-6) (a-4). identify the student with the correct work and where the mistakes were in the other students work
gabrielles work
(a-6) (a-4)
= a.a = a(-4) - 6(a) - 6(-4)
= a ^2 - 4a - 6a - 24 = a^2 - 10a - 24
britneys work
(a-6) (a-4) = a.a - 4a -6a -6(-4) = a ^2 -10 a +24
