Subtract the second expression from the first: a^3 - 1 + a, 3a - … - Vidyadip

Question

Subtract the second expression from the first:
$a^3 - 1 + a, 3a - 2a^2$

✓

Answer

$(a^3 - 1 + a) - (3a - 2a^2)$
$= a^3 - 1 + a - 3a + 2a^2$
$= a^3 + 2a^2 - 2a - 1$

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