anonymous
  • anonymous
factor completely: 36a^2 - 24a + 4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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jagr2713
  • jagr2713
Hey @lauraoar First we need to find the GCF. What is the largest number that divides evenly into 36a2, −24a, and 4?
anonymous
  • anonymous
4?
jagr2713
  • jagr2713
Correct What is the highest degree of a that divides evenly into 36a2, −24a, and 4?

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anonymous
  • anonymous
2?
jagr2713
  • jagr2713
Nope try again
jagr2713
  • jagr2713
Is A in every term?
anonymous
  • anonymous
nope
jagr2713
  • jagr2713
So there is none :D So the GCF=?
anonymous
  • anonymous
4?
anonymous
  • anonymous
is the answer 4(3a-1)^2
jagr2713
  • jagr2713
Good :D So now we have the GCF and now we have to factor out the GCF. Put the GCF as the first term Then, in parentheses, divide each term by the GCF so we have \[4(\frac{ 36a ^{2} }{ 4 }+\frac{ -24a }{ 4 }+\frac{ 4 }{ 4 })\]
jagr2713
  • jagr2713
Now we simplify each term in the parentheses. What do we get @lauraoar
anonymous
  • anonymous
4(9a+-6a+1)?
jagr2713
  • jagr2713
i see you have +- the -24 is negative and we divided so it goes negative. And dont forget the a2 4(9a2-6a+1)
jagr2713
  • jagr2713
a2−2ab+b2 Rewrite it where a=3a and b=1 plug it in
anonymous
  • anonymous
you could of used the quadratic formula
jagr2713
  • jagr2713
what do we get @lauraoar
jagr2713
  • jagr2713
@lauraoar did u get the answer or?

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