R1

Factor polynomial expressions of the form (where a, b and c are rational numbers): a (x^2) + b x + c, a ≠ 0,(a^2) (x^2) − (b^2) (y^2),a ≠ 0, b ≠ 0, a [(f(x))^2] + b [(f(x))^2] + c, a ≠ 0,(a^2) [(f(x))^2] − (b^2) [(g(y))^2], a ≠ 0, b ≠ 0