Really need help on 5 and 6 using MATLAB. A screenshot of the code would be best, thank you

5. Write the following system of linear equations in matrix form (i.e., AX=Y), then solve the system in MATLAB. i +2i, +i, = 6 4 +i, - 2i, = 1 4-i, +i, = 0 6. Find the roots to the following equation in MATLAB. y = (x' +2x' +x - 4(3x' -2x+5)