Mathematics
junior123
2015-11-09 22:21:12
7 times the sum of a squared and b minus 4 times the sum of a squared and b
ANSWERS
austinlowe
2015-11-10 00:31:55

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

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