Question

AC Method

y^2-6y-40

O.o

Answer 1

y^2-6y-40=0
(y-10)(y+4)=0
(y-10)=0 and (y+4)=0
solve for y... :D

Answer 2

To use the AC method, find AC that multiplies to -40. (ac = 1 * -40). Two numbers that multiply out to -40 and add up to -6 (b) is the factor form.

Answer 3

Thanks :)