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How do you factor a to the second power plus 81?

Updated: 9/29/2022

Wiki User

12y ago

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)

Wiki User

12y ago

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81

x^2 + 81

(m + 9)(m + 9)

It is: 9^2 = 81

Is three squared to the second power?

Three squared to the second power is 81.

Factor 4x2 plus 81 -36x?

4x2-36x+81 (2x-9)(2x-9)

How do you write the number 81 as a power?

9 to the second power :))

The second power of 9 equals?

81. 92 = 9 * 9 = 81

(3X + 9) (X + 9)

Factor the expression 640b plus 648?

It is 8(80b+81) when factored
The text passage contains a mathematical question and its answer. The question is about factoring a polynomial, and the answer is provided in the form of a step-by-step explanation.
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Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
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- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
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How do you factor a to the second power plus 81?

Updated: 9/29/2022

Wiki User

12y ago

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)

Wiki User

12y ago

Earn +20 pts
Q: How do you factor a to the second power plus 81?
Submit
Still have questions?
Related questions

81

x^2 + 81

(m + 9)(m + 9)

It is: 9^2 = 81

Is three squared to the second power?

Three squared to the second power is 81.

Factor 4x2 plus 81 -36x?

4x2-36x+81 (2x-9)(2x-9)

How do you write the number 81 as a power?

9 to the second power :))

The second power of 9 equals?

81. 92 = 9 * 9 = 81

(3X + 9) (X + 9)

Factor the expression 640b plus 648?

It is 8(80b+81) when factored
user
The text passage contains a mathematical question and its answer. The question is about factoring a polynomial, and the answer is provided in the form of a step-by-step explanation.

TYPE: SINGLE_QUESTION_WITH_ANSWER