Friday, 14 March 2014

ALGEBRA C3



Expand (y – 7) (y – 5)

solution

= (y – 7) (y – 5)

= y (y – 5) – 7 (y – 5)

= y2 – 5y – 7y + 35 

= y2 – 12y + 35 answer

TRY THIS………..

Expand (a – 8) (a – 2)

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