Answer:
Step-by-step explanation:
angle CDA = angle ABC (opposite angles of a parallelogram are equal)
56 degree = angle ABC
therefore angle ABC is 56 degree.
x(x-4)(x+8)
Factor.
x(x^2+4x-32)
2. 9, 8+9
3. 17-8=9, 17, 8, 9
4. 13-7=6