SOLUTION: Hi, I have a question that reads: Factorise fully {{{ 3a^3+12a^2*b^2+9a^5*b^3 }}} and I don't understand how to work it out, I have tried to work out the equation and i ahve

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hi, I have a question that reads: Factorise fully {{{ 3a^3+12a^2*b^2+9a^5*b^3 }}} and I don't understand how to work it out, I have tried to work out the equation and i ahve       Log On


   



Question 675323: Hi,
I have a question that reads: Factorise fully +3a%5E3%2B12a%5E2%2Ab%5E2%2B9a%5E5%2Ab%5E3+
and I don't understand how to work it out, I have tried to work out the equation and i ahve tried working each part out then finding the prime factors yet it is still worng.
Please could you help me?
Many Thanks,
Reece

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3a^3+12a^2*b^2+9a^5*b^3
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Common Factor: 3a^2
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= 3a^2(a + 4b^2 + 3a^3b^3)
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Cheers,
Stan H.