Question 321123: Factor completely. If prime, say so.
9x^2 - 30x + 25
Answer by ehollins1(8)   (Show Source):
You can put this solution on YOUR website! 9x^2-30x+25=
=( x- )( x- ) possible factors for 9: 1,3,9
=(3x- )(3x- ) possible factors for 30: 1,2,3,5,6,10,15,30 possible factors for 25: 1,5,25
=(3x-5)(3x-5)
****check solution*****
=(3x-5)(3x-5)
=(3x*3x)-(3x*5)-(5*3x)+(5*5)
=9x^2-30x+25
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