Thanks for your reply. I've no idea the answer to your question! but if this is the case then wouldn't it always be <=>? every time you had a new line of working it would be <=>. So what about the last line - would that be <=> as well?
Sorry, I didn't really follow the symbols! Its been many...
Hi,
please can someone help me understand the right kind of connectors I should use when presenting my work.
For example, if I wanted to write down the steps of my working for solving a quadratic I would write this:
9x^2-39x-30=0
3x^2-13x-10=0
(3x+2)(x-5)=0
3x+2=0 or x-5=0
x=-2/3...