Answer:
1. Factor completely.
y2+6y+8<===Factor
y^2+6y+8 using the AC method.
(y+2)(y+4)
2.Factor completely.
a2+3a−28<===Factor
a2+3a−28 using the AC method.
(a−4)(a+7)
3.Factor completely.
x2−2x−24<===Factor
x2−2x−24 using the AC method.
(x−6)(x+4)