Emanuelsanchezgutiergo Emanuelsanchezgutiergo Mathematics Answered 2. Write an equivalent algebraic expression in standard polynomial form. a. (6x³ + 3x²-x + 5) + (2x³-3x²-2) b. (12x² +7x − 1) − (5 + 3x − 2 x²) c. (x+3)(2x² + 3x + 6)