Tuesday 7 November 2017

EXPAND 1


Expand 8w2(5w – 7)

solution

= 8w2(5w – 7)

= (8w2 x 5w) – (8w2 x 7)

= 40w3 – 56w2 answer

TRY THIS………..


Expand 4a2(7a+ 30)

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