Question

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

Answer 1

Answer:

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

Step-by-step explanation:

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

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

Answer 2

Answer:

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

Step-by-step explanation:

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

$\sf Remove \ brackets.$

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

$\sf Group \ like \ terms.$

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

$\sf Combine \ like \ terms.$

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