Question

Factorise this: x3-y3-x+y

Answer 1

Answer:

(x+y) [ x²-xy+y² - 1]

Step-by-step explanation:

x³+y³-x-y

= (x+y)(x²-xy+y²) - (x+y)

= (x+y) [ x²-xy+y² - 1]$<div style="color: #FFFFFF; font: normal 18px arial, sans-serif; background-color: #347c17; border: #ff0000 4px solid; width: 70%; margin: 0 auto; padding: 4px 5px 3px 5px; -moz-border-radius: 17px; -webkit-border-radius: 17px; border-radius: 17px; -moz-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20); -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20); box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20)"><marquee scrolldelay="250"><b><u>Hello</u> </b></marquee>$

$<p style="color:cyan;font-family:cursive;background:black;font size:40px;">Answer:-</p>$

Answer 2

Step-by-step explanation:

(x+y) [ x²-xy+y² - 1]

Step-by-step explanation:

x³+y³-x-y

= (x+y)(x²-xy+y²) - (x+y)

= (x+y) [ x²-xy+y² - 1]