Question

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

Answer 1

Britney is correct

Explanation:

Gabrielle is wrong because when mutiply -6 and -4, the negatives cancel out to give +24.