Question

Factorise:
6. (a + b)2 - 4ab​

Answer 1

Step-by-step explanation:

$( {a + b)}^{2} - 4ab$

$= {a}^{2} + 2ab + {b}^{2} - 4ab$

$= {a}^{2} + {b}^{2} - 2ab$

$= ( {a - b)}^{2}$