Factorize:, X3+(2a+1)X2+(A2+2a-1)X+(A2-1), (When The Number Is Before The Variable, It Is An Exponent. Im Still Confused On How To Put Exponets In Th

Factorize:

x3+(2a+1)x2+(a2+2a-1)x+(a2-1)



(when the number is before the variable, it is an exponent. Im still confused on how to put exponets in this questions)

 

Answer:

 x3 + 2x2a + x2 + xa2 + 2xa - x + a2 - 1

Step-by-step explanation:

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  a2+2a-1  

The first term is,  a2  its coefficient is  1 .

The middle term is,  +2a  its coefficient is  2 .

The last term, "the constant", is  -1  

Step-1 : Multiply the coefficient of the first term by the constant   1 • -1 = -1  

Step-2 : Find two factors of  -1  whose sum equals the coefficient of the middle term, which is   2 .

     -1    +    1    =    0  

Observation : No two such factors can be found !!  

Conclusion : Trinomial can not be factored


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