Tuesday 31 October 2023

ALGEBRA K9

 


Expand y(y – 4)(y – 10)

 

Solution

 

= y(y – 4) (y – 10)

 

= y[y (y – 10) – 4 (y – 10)]

 

= y[y2 – 10y – 4y + 40] 

 

= y3 – 14y2 + 44y

 

= y3 – 14y2 + 44y    answer

 

TRY THIS………..

 

Expand w(w – 9) (w – 10)

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