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(a + 9)(a - 9)
If that's -81, there is a formula for the "difference of squares." In this case, the answer is (a + 9)(a - 9)
(a + b)(a - b)
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Is 7 a factor of 81?
Since 81 is not divisible by 7 therefore, 7 is not a factor of 81.
What is the answer to 81 and 9 of a factor?
Nine is the highest common factor of 81 and 9
Is 18 a factor of 54 36 and 81?
No, 18 is not a factor of 81.
What is the greatest common factor of 53 and 81?
The GCF of 53 and 81 is 1.
What is greatest common factor of 56 and 81?
The greatest common factor of 56 and 81 is 1.
How do you factor a to the second power plus 81?
Factorize: a2 + 81 It doesn't look like it in its current form, but this can be changed to be a difference of two squares which can then be factorize. However to do this, we will need to use complex numbers. a2 + 81 = a2 - (9i)2 = (a + 9i)(a - 9i) (where i is the square root of -1)
How do you factor polynomial a4 plus a2?
( a2 ) ( a2+1 )
Is 81 a factor?
It can be. 81 is a factor of 162.
How would you factor the polynomial a2-b2?
a2-b2 = (a-b)(a+b)
A2 - a - 20 Factor completely?
-18
Is 19 a factor of 81?
19 is not a factor of 81. Factors of 81 are 1, 3, 9, 27, and 81
What are all the factors of 72 and 81?
1,2,3,4,6,8,9,12,18,24,36,72 factor of 72 1,3,9,27,and 81 is factor of 81
Is 7 a factor of 81?
Since 81 is not divisible by 7 therefore, 7 is not a factor of 81.
Factor A2 plus 4a plus 4 - b2?
a2 - 4a + 4
Factor a2 - a - 20?
-18
Make a factor tree for 81?
9x9=81. Proving that one of the factor trees for 81 is 9xp.
How do you factor x2-a2?
(x+a) (x-a)
