We want to factor the following expression: (x +1)^2 - 4y^2
Which pattern can we use to factor the expression?
U and V are either constant integers or single-variable expressions.

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.