Question

Factorise :- ( x2 – 4x) ( x2 – 4x-1)
step by step

Answer 1

Hey friend your answer is
$( {x}^{2} - 4x)( {x}^{2} - 4x - 1) \\ = {x}^{4} - 4 {x}^{3} - {x}^{2} - 4 {x}^{3} + 16 {x}^{2} + 4 x\\ = {x}^{4} - 8 {x}^{3} + 15 {x}^{2} + 4x$