If the perimeter of a triangle is 6a+3 then what is the length of the 2rd side of the triangle. write in simplest form

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Simplify this expression. 8x 16(x + y)

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping