Use the MATLAB Sy Math Toolbox functions to complete the following math problems. Copy and paste your session from the command window into a text file to be submitted on canvas. 1. Use the expand function to express this product of polynomials as a single polynomial: ( +5x+6 T+9). 2. Factor the following polynomial to find its roots: 23-3r2-13r +15 3. Simplify the following equation: (cos(x) +sin(x)(cos(x) +sin() 4. Find the values of x that satisfy 3r2-82 + 5 0 . Find the derivative with respect to z of f(x)-+ 7x + 1 6. Find the derivative with respect to z of f(x) = x2 cos(r) 7. Calculate the definite integral 8. 1 + cos(r) 9. 22-4 lim