Simplify 8w(5w – 7 + w) + 12w2.
solution
= 8w(5w – 7 + w) + 12w2.
= (8w x 5w) – (8w x 7) + (8w x w) +
12w2.
= [40w2 – 56w + 8w2 ]+
12w2.
= 40w2 + 8w2 +
12w2 – 56w
= (48w2 + 12w2)
– 56w
= 60w2 – 56w
= 60w2
– 56w answer
TRY THIS………..
Simplify 3a(7a+ 30 - a) +29a2.
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