How to factorise x^2-5x+6 ? With the working ?
x^2- 5x+6,
= (x + __)(x + __)
to fill out the blanks, find two numbers that adds up to be -5, and has a product of 6, so in this case the two numbers are -2 and -3
-2 x -3 = 6
-2 + -3 = -5
so.
(x + (-3))(x + (-2))
= (x -3)(x-2) source: yahoo
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Asked 3/14/2012 7:08:45 AM
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