Pls, help I'll give brainiest :)

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?