Answer:
You may divide by a variable. But only if you know the variable is non-zero. So, if setting the variable to zero makes both sides of the equation zero, we have a solution that that variable is 0, or the equation with the variable divided out holds. E.g. solve x(x-1) = 0.
so yea have a grate day
Answer:
here for answers and that's about it
Answer:
Muslims are forbidden from engaging in sexual intercourse, cutting their hair or trimming nails while in ihram. It is also forbidden for pilgrims to argue, fight or lose their tempers during the Hajj.
That would be air pollution.