Question

x³+2x²-4x+8 ÷ x-2
divide this ​

Answer 1

x²-16 can be written as (x+4) (x-4 ) by the identity of a²-b² = (a+b)(a-b) .

now , x³ + 2x² + 4x + 8

x²(x+2 ) + 4 ( x+ 2 )

(x+2) (x²+ 4 )

now simply divide both of these and you are supposed to get the answer I hope that was easy !