Question 300637
The only thing you can do is factor out the GCF {{{3x^2}}} to get {{{3x^2(7x^3-8-2x^2)}}}. If you want, you can sort the terms in descending exponential order to get {{{3x^2(7x^3-2x^2-8)}}}



So {{{21x^5-24x^2-6x^4=3x^2(7x^3-2x^2-8)}}}