Plz help as soon as possible

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180

Which statement about 6x2 + 7x – 10 is true?