Why are u guys still doing school work it’s almost Christmas

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Need same math paper but the back now i hope your able to read it cleary i need with hw

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.