Question

7. Using division state whether 2y-5 is factor of 4y^4 - 10y^3-10y^2+30y-15.

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Answer 1

$\bf HELLO \: \: DEAR,$

2y^3  -  5y  + 5/2
        --------------------------------------------------
2y - 5) 4y⁴ - 10y³ - 10y² + 30y - 15
4y^4 - 10y^3 
     -------------------------------
 -10y^2  +  30y
 -10y^2  +  25y         
--------------------------------
5y  -   15
5y  -  25/2                                                   -----------------------------------             
-5/2

hence (2y - 5) is not a factor of 4y⁴ - 10y³ - 10y² + 30y - 15

$\underline{\bf I \: \: HOPE \: \: ITS \: \: HELP \: \: YOU \: \: DEAR, \: \: THANKS}$

Answer 2

Hi,

Please see the attached file!


Thanks