Ignore the coment above.

What other commands could you use other than simplify to make the whole equation equal zero?

Ignore the coment above.

What other commands could you use other than simplify to make the whole equation equal zero?

I have tried differentiating Y(x,t) with respect to both x and t but I keep getting my answers as zero!

Is this right?

I have tried differentiating Y(x,t) with respect to both x and t but I keep getting my answers as zero!

Is this right?