Question
Thu December 06, 2012 By: Thabitha Fernandez

show that: x-2 is a factor of 5xsquare -15x-50

Expert Reply
Fri December 07, 2012
5X^2-15X-50
=5(X^2-3X-10)
=5(X^2-5X+2X-10)
=5(X(X-5)+2(X-5))
=5(X+2)(X-5)
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