Question

-3. Subtract 4a2 + 3a - 1 from 2a3 - 1 and add the result to 3a2 + 3a -​

Answer 1

This is correct answer one like

Answer 2

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2a³ - 1 - 4a² - 3a + 1

= 2a³ - 4a² - 3a

then,

2a³ - 4a² - 3a + 3a² + 3a

= 2a³ - a²

= 2a²(a - 1)