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Can x2 1 be factored

Updated: 12/12/2022
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Wiki User

12y ago

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Ashton Stoltenberg

Lvl 10
3y ago
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12y ago

X2 + 1 ????

X2 + 1

Can not be factored in real numbers but there is a clever way to factor this expression in complex numbers.

(X + i)(X - i)

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14y ago

yes

x2=1

if you square root both sides you get x = +-1 or, using the difference of 2 perfect squares,

(x-1)(x+1)=0

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Related questions

Can x2 plus 1 be factored twice?

x2 + 1 can't be factored in the real numbers. If complex numbers are acceptable, it can be factored as (x + i)(x - i).


What is x2 - 2x plus 1 factored?

It is (x-1)(x-1) when factored


What is x2 3x 2 factored?

If you mean: x2+3x+2 then it is (x+1)(x+2) when factored


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That expression can not be factored.


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x2-7x+6 = (x-1)(x-6) when factored.


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x2+16x-17 = (x-1)(x+17) when factored


What is x3-x2 plus 2x factored?

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What is x2 -6x 8 factored?

x2-6x+8 = (x-2)(x-4) when factored


What is completely factored form?

A completely factored form is one which is composed of product of factors and can't be factorized further. Let us consider two examples: x2 - 4x + 4 is not a factored form because it can be factored as (x - 2)(x - 2). (x +1)(x2 - 4x + 4) is also not a factored form because x2 - 4x + 4 can be factored further as (x - 2)(x - 2). So, the completely factored form is (x + 1)(x - 2)(x - 2).


What is the factored answer to x2 plus x-6?

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How do you factorise x squared minus x 7?

The answer to this depends on what you mean by "x 7" If you mean: x2 -7x, then it can be factored out as x(x - 7) If you mean: x2 - x7, then you can factor it out as: x2(1 - x5) If you mean: x2 - x + 7, then it can not be factored If you mean: (x2 - x)7, then the inner term can be factored, giving you (x[x - 1])7 If you mean something else, then you will need to be more clear with your question.


What is x2 3x 2 factor polynomial?

If you mean: x2+3x+2 then it is (x+1)(x+2) when factored