Question

Multiply

5a^3+4a^2 8b^6-6ab^6
_________ * __________
6ab-8b 5a^2+4a

Answer 1

use brackets and type fractions this way:

(5a^3 + 4a^2)/(6ab - 8b) * (8b^2 - 6ab^6)/(5a^2 + 4a(

= ( a^2(5a+4) )/( 2b(3a - 4) ) * (2b^6(4-3a))/(a(5a+4))
= ab^5 (-1)
= -ab^5 , a≠0, b≠0, a≠4/3, a ≠-4/5