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

2 Answers

2 votes
==> 7 cows minus 4 cows = 3 cows .

==> 7 rocks minus 4 rocks = 3 rocks

==> 7 of anything minus 4 of the same thing = 3 of them

==> 7 times (the sum of "a" squared and "b")
minus
4 times (the sum of "a" squared and "b")
leaves
3 times (the sum of "a" squared and "b")
User Stormfield
by
7.9k points
3 votes
7*a^2 + b - 4*a^2 + b
7a^2 + b - 4a^2 + b
3a^2 + 2b
User Eduard Thamm
by
7.6k points

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