Add: 7 a^2 b c,-3 a b c^2, 3 a^2 b c, 2 a b c^2 - Vidyadip

Question

Add: $7 a^2 b c,-3 a b c^2, 3 a^2 b c, 2 a b c^2$

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Answer

We have,
$7 a^2 b c,-3 a b c^2, 3 a^2 b c, 2 a b c^2$
$=7 a^2 b c-3 a b c^2+3 a^2 b c+2 a b c^2$
$=10 a^2 b c+(-a b c)^2$
$=10 a^2 b c-a b c^2$

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