factorise p2 – 23p + 22
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Step-by-stp = 11 o£ 12 -------@
p^2-23p+132
=> p^2 -12p -11p + 132
=> p ( p - 12 ) - 11 ( p - 12 )
=> ( p - 11 ) ( p - 12 )
=> p = 11 o£ 12 -------@ep explanation:
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