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Factor the expression X^2-15x+54?

+1 vote

The 2 next to x is a square

asked Mar 8, 2013 in ALGEBRA 1 by andrew Scholar

1 Answer

+1 vote

 The expression is X2 - 15X + 54

  x2 -15x +54

  x2 - 6x - 9x + 54

x is a common factor and - 9 is a common factor

  x ( x - 6) - 9 (x - 6)

(  x - 6 ) is a common factor

  ( x - 6) ( x - 9 )

answered Mar 8, 2013 by diane Scholar
reshown Mar 8, 2013 by moderator

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