Complete the following exercises by applying polynomial identities to complex numbers. factor x2 + 64. check your work. factor 16x2 + 49. check your work. find the product of (x + 9i)2. find the product of (x − 2i)2. find the product of (x + (3+5i))2.

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.