Please explain steps

Question 1 (2 points) Expand and simplify the following polynomial expression. Enter only the coefficients in front of each term. Include a sign only if the coefficient is negative. (3x + 1)[28 -3)- y Question 2 (2 points) Factor the following expression using the method of grouping. Enter only the coefficients of the factors. Include the sign only if the coefficient is negative. 10xy -5x -6y+3- ( Question 3 (2 points) Factor the following expression using the Difference of Squares pattern. Enter only the coefficients of the factors. Include the sign only if the coefficient is negative. 16x2 - 25 = 0 Question 4 (2 points) Factor the following expression using the Sum/Difference of Cubes pattern. Enter only the coefficients of the factors. Include a sign only if the coefficient is negative