Question

please show all the steps and explanation​

Answer 1

=

$3 {x}^{2} (x - 2y) + 4xy(x - 2y) - 5 {y}^{2} (x - 2y)$

=

$(x- 2y)(3 {x}^{2} + 4xy - 5 {y}^{2} )$

so remainder is 0

option B is correct