Question

Factorise : (a^2 - b^2)c + (b^2 - c^2)a

Answer 1

Hi ,

( a² - b² ) c + ( b² - c² ) a

= a² c - b² c + b² a - c² a

= a² c - ac² + ab² - b² c

= ac ( a - c ) + b² ( a - c )

= ( a - c ) ( ac + b² )

I hope this helps you.

:)