QuestionSimplify the expression: $(2 a^{4}+a^{3}+4)-(5-8 a^{3}+a^{4})$.

Studdy Solution
Now, perform the operations to simplify each of the grouped terms.
$$(2 a^{4} - a^{4}) + (a^{3} +8 a^{3}) + (4 -) = a^{4} +9 a^{3} -1$$So, the simplified form of the given expression is $a^{4} +9 a^{3} -1$.