Tuesday 13 January 2015

ALGEBRA 1




Expand 2x(6x – 7)

Solution

= 2x(6x – 7)

= (2x x 6x) – (2x x 7)

= 12x2 – 14x
 
Hence 2x(6x – 7) = 12x2 – 14x   

TRY THIS……………

Expand 11a(9a – 4)


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