Answer:
[tex]8x^{a+b}+4x^{3+a}-10x^{a+1}[/tex]
Step-by-step explanation:
We need to find the product of: [tex]-2x^{a}(-4x^{b}-2x^{3}+5x)[/tex]
We have that:
[tex]-2x^{a}(-4x^{b}-2x^{3}+5x)[/tex] = [tex]8x^{a+b}+4x^{3+a}-10x^{a+1}[/tex]
We can't simplify more the expression, therefore, the solution is:
[tex]8x^{a+b}+4x^{3+a}-10x^{a+1}[/tex].
