Question

Plz do both of them.

Answer 1

1.
(-3 / 4a^2b^3 ) × (2ab^3/3)
= -b/2a

2.( 12x^2y^2 -6x^2+8y-4xy)÷6xy

Here all you need to do is just put 6xy in the denominator

= ( 12x^2y^2/6xy) - (6x^2/6xy) +(8y/6xy) -(4xy/6xy)
= 2xy - (x/y) +( 4/3x) - (2/3)