Sunday 19 November 2017

EXPAND 2


Expand 8w(5w + 4 - w)


Solution


= 8w(5w + 4 - w)

= (8w x 5w) + (8w x 4) - (8w x w)

= 40w2 + 32w - 8w2

= [40w2 - 8w2] + 32w collecting like terms

= 32w2 + 32w answer


TRY THIS………..



Expand 4a(5a + 14 - a)


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