7 times the sum of a squared and b minus 4 times the sum of a squared and b
ANSWERS
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
ADD ANSWER
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