(top left number x with bottom right) times (top right number x with bottom left)
more questions than you will probably (ever) need:
Saturday, 10 September 2011
tap top
a problem solving approach to factorising harder quadratic expressions - by stealth, as he says, comes from the interesting work of Jason Dyer
go diagonally across the 'tap tops' to get the two factors
(top left number x with bottom right) times (top right number x with bottom left)
more questions than you will probably (ever) need:
(top left number x with bottom right) times (top right number x with bottom left)
more questions than you will probably (ever) need:
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