Question

Simplify (4n^4 - 3n^2 + n)+ (2n^4 -7n^2 + 9n). Express your answer without factoring.

Answer 1

`\boxed{6n^4- 10n^2 + 10n}`

Explanation:

`(4n^4 - 3n^2 + n)+ (2n^4 -7n^2 + 9n)`

`\sf Remove \ brackets.`

`4n^4 - 3n^2 + n+2n^4 -7n^2 + 9n`

`\sf Group \ like \ terms.`

`4n^4 + 2n^4- 3n^2 -7n^2 + 9n+n`

`\sf Combine \ like \ terms.`

`6n^4- 10n^2 + 10n`

Answer 2

6n^4-10n^2+10n

Explanation:

4 n^4+2n^4-3n^2-7n^2+9n+n

6n^4-10n^2+10n