Sunday 27 April 2014

ALGEBRA D2



Expand (y – 3) (y – 5)

Solution

= (y – 3) (y – 5)

= y (y – 5) – 3 (y – 5)

= y2 – 5y – 3y + 15

= y2 – 8y + 15 answer

TRY THIS………..

Expand (a – 8) (a – 5)

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