Friday, 14 July 2017

ALGEBRA 10


Expand 8w(5w + 3 - w)

Solution

= 8w(5w + 3 - w)

= (8w x 5w) + (8w x 3) - (8w x w)

= 40w2 + 24w - 8w2

= [40w2 - 8w2] + 24w collecting like terms

= 32w2 + 24w answer.

TRY THIS………..


Expand 4a(7a+ 12 - a)

No comments:

Post a Comment