Asked by jill

simplify
2(a^2+2b+2a^2)+b+2c
answer: 4a^2+5b+2c
also
6a^2-a^2+16=7a^2+16 correct??
Answered by Anonymous
a^2 + 2b + 2a^2 = 3a^2 + 2b



2 * ( a^2 + 2b + 2a^2 ) + b + 2c =

2 * ( 3a^2 + 2b ) + b + 2c =

6a^2 + 4b + b + 2c =

6a^2 + 5b + 2c
Answered by Anonymous
6a^2 - a^2 + 16 = 5a^2 + 16
Answered by jayjay
8^2 divid 16x2-5
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