Question

Resolve the following into factors: a^2-2ab+b^2-c^2​

Answer 1

Answer:

a² - 2ab + b² - c²

[ (a)² - 2(a)(b) + (b)² ] - c²

( a - b ) ² - c² [ a² - b² = ( a - b ) ( a + b) ]

( a - b + c) ( a - b - c)