anonymous
  • anonymous
Factor Completely. \[x ^{2}-3xy+9y ^{2}\] Sorry, this is one of the weaker areas of this subject for me.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Mertsj
  • Mertsj
Could you factor it if it said x^2-3x+9 ?
anonymous
  • anonymous
Use the formula \[(a-b)^2 = a^2 - 2ab + b^2\]
anonymous
  • anonymous
Could you guess what a and b values are from the above?

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Mertsj
  • Mertsj
Actually it is prime because there are no factors of 9 whose sum is -3
anonymous
  • anonymous
factoring is hard for me. I can multiply it all day long but changing it to the other way is hard. and no @Bad2zBone
anonymous
  • anonymous
ok. Thank you @Mertsj This one was quite a bit harder than the others and I guess that is why. lol
Mertsj
  • Mertsj
yw
anonymous
  • anonymous
That is true actually, that should be a 6 not a 3 in the middle

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