You can rewrite that as:
a^2-4ab+6ab-24b^2 then factor 1st and 2nd pair of terms.
a(a-4b)+6b(a-4b) so you have
(a+6b)(a-4b)
Answer:(2,36)and (3,54)
Step-by-step explanation:
Karen = x
bill = 2x - 9
total = x + 2x - 9 = 3x - 9
The points for C is (12, 10.5)