Saturday, 12 November 2016

ALGEBRA 3


Expand (y – 7) (y – 11)

solution

= (y – 7) (y – 11)

= y (y – 11) – 7 (y – 11)

= y2 – 11y – 7y + 77 

= y2 – 18y + 77 answer

TRY THIS………..


Expand (a – 8) (a – 5)

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