Question

a - b - a² + b^2 factorise​

Answer 1

Answer:

hello

Step-by-step explanation:

a - b - a^2 + b^2

a - a^2 -b + b^2

-a (-1+1^2) b (-1 + 1^2)

(-a + b)(-1 + 1^2)

HOPE IS CORRECT