Question

6x²(x+4)-x ( x-y) -y (x+6) simplify it​

Answer 1

Answer:

if the last digit of a number is 1 or 9, its square ends in 1; if the last digit of a number is 2 or 8, its square ends in 4; if the last digit of a number is 3 or 7, its square ends in 9; if the last digit of a number is 4 or 6, its square ends in 6; and.