Module 6 Polynomial the question is in the picture. Alana completed a problem where she had to find the sum of the polynomials (
3x^2+8x-4) and (-8x^3-3x+4). Her answer is 0. Complete the explanation and correct her mistake. When graphed, how many times does the sum change directions?? A rectangular plot of land has a length of (2x^2+5x-20) and a width of (3x+4). What is the polynomial representing the area of the plot of land? Explain how you got your answer. Below.