I"ve got another one,
my work, so far
is that right until here, because the next step is just replacing the values of x, and I suppose the mistake is before that (I did that too, just don't think it is needed here)...
I"ve got another one,
my work, so far
is that right until here, because the next step is just replacing the values of x, and I suppose the mistake is before that (I did that too, just don't think it is needed here)...