A, b, and c are polynomials, where: a = 3x – 4 b = x + 7 c = x2 + 2 what is a2 – (b + c) in simplest form? 8x2 – 25x + 7 8x2– 25x + 11 10x2 – 25x + 7 10x2 – 25x + 11

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x