anonymous
  • anonymous
Multiply the expressions, and simplify. (8x3y-3) · (3x3y-3)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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lilg132
  • lilg132
actually i'll let thomas do this one =)
anonymous
  • anonymous
okay
anonymous
  • anonymous
do you know how to distribute?

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anonymous
  • anonymous
some what yeah
anonymous
  • anonymous
this is just a distribution problem but it will take a little longer to compute
anonymous
  • anonymous
okay help me to start it and I should be able to figure it out I know 8*3 =24
anonymous
  • anonymous
do you add like exponents
anonymous
  • anonymous
sure your first term will be (8x3y * 3x3y)
anonymous
  • anonymous
let me expand it out for you and then you can try to see the patteren
anonymous
  • anonymous
okay
anonymous
  • anonymous
\[(8x3y-3) * (3x3y-3) = (8x3y*3x3y) + (8x3y*-3) + (-3*3x3y) +(-3*-3)\]
anonymous
  • anonymous
did my eqaution go off the screen for you?
anonymous
  • anonymous
yeah
anonymous
  • anonymous
haha sorry the part that is cut off is +(-3 * -3)
anonymous
  • anonymous
all I did was FOIL it out. Now you have to go about simplying it.
anonymous
  • anonymous
yeah but what about the exponents the problem was (8x^3y^-3) · (3x^3y^-3) sorry didn't see that when I posted it
anonymous
  • anonymous
don't you add the exponents when multiplying the main part of the problem
anonymous
  • anonymous
ah no problem you can slip them into the problem when you mutiply two exponents with the same base you can add the exponents for example \[x^3 * x^5 = x^8\]
anonymous
  • anonymous
okay so then it is 24x^6y^-6 correct
anonymous
  • anonymous
yes!!!!
anonymous
  • anonymous
well done! that one can get messy
anonymous
  • anonymous
okay thought it was right but wasn't sure thanks again
anonymous
  • anonymous
yeah especially when it is posted wrong
anonymous
  • anonymous
I think I have found a new website for tutoring
anonymous
  • anonymous
everyone is so helpful

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