Question

Factorise: x³+3x²-6x-18​

Answer 1

Answer:

$(x + 3)( {x }^{2} - 6)$

Step-by-step explanation:

${x}^{3} + 3 {x}^{2} - 6x - 18$

${x}^{3} - 6x + 3 {x}^{2} - 18$

$x( {x}^{2} - 6) + 3( {x}^{2} - 6)$

$(x + 3)( {x}^{2} - 6)$