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7 times the sum of a squared and b minus 4 times the sum of a squared and b

User Serge C
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1 Answer

5 votes
7(a^2+b)-4(a^2+b)
7(a^2)+7b-4(a^2)-4b
7a^2-4a^2+7b-4b
(7-4)a^2+(7-4)b
3a^2+3b
User Bertzzie
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