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How do you factor 3x3 81?

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Anonymous

∙ 13y ago
Updated: 8/17/2019

If that's + 81, the answer is 3(x + 3)(x2 - 3x + 9)

If that's - 81, the answer is 3(x - 3)(x2 + 3x + 9)

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Wiki User

∙ 13y ago
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Related Questions

How do you factor 3x3 plus 81?

3(x + 3)(x2 - 3x + 9)


Is 3 a factor of 81?

Yes, because 9x9=81 9 divides into 3 three times 3x3=9 So if 9 is a factor of 81, then so must 3. 81/3= 27


What is 3x3x3x3?

The Answer Is 81 Because 3x3=9 Then 9x3=27 Then 27x3=81 There :)


What is the LCM of 81 9 27 3?

Factor each one and use each prime factor the most it was used in any of the numbers. 9=3x3 12=2x2x3 81=3x3x3x3 2x2x3x3x3x3=324


What is the factor's of 9?

3x3


Is 29 a multiple of three?

No. it isn't. 3x3=9; (x3)x3=27; (3x3)x(3x3)=81, so 9,27,81 are multiples of three.


How do you factor 3x3-81?

9y-81=9*(y-9)


What is the factor of 3x3 plus 12x?

3x3+12x = 3x(x2+4)


The square root of the square root of 81 is?

The answer is 3 because... 3x3=9 9x9=81 AND 81/9=9 9/3=3


Is 81 a factor?

It can be. 81 is a factor of 162.


What does 3 to the fourth equal?

3x3x3x3=81 What's 3x3? 9. What's 9x3? 27. What's 27x3? 81.


third to the third power?

the answer is 81 3x3=9 9x3=27 27x3=81 by the way i am only in 3rd grade

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