Question

Factor the following polynomial completely.

-x 2 y 2 + x 4 + 9y 2 - 9x 2

Answer 1

The answer is C. (x + 3) (x - 3) (x + y) (x - y)

Just finished the test.

Answer 2

-(y-x)×(y+x)×(x-3)×(x+3)