I think it is a case of misplaced punctuation, LOL
the more conventional is (5-1) x (5 +1)
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Sent you my answers by PM
If they are incorrect then please assume I ticked the 'No publicity' option. Ta :D
HOT OFF THE PRESS!!!
Uk heather was very close to having nearly both parts right and she said she done it with one hand abby while multi tasking!