Question

a minus b minus A square + b square ​

Answer 1

Answer:

(a-b)(1-a-b)

Step-by-step explanation:

a-b-a^2+b^2

a-b+b^2-a^2

(a-b)+[(b+a)(b-a)]

taking (a-b) common

(a-b)(1-a-b)

Answer 2

Step-by-step explanation:

(A-b) (A2 + b2)

(A-b) (A2 +2ab + b2)

(A3 + 2a2b + ab2 - a2b - 2ab2 - b3)

(A3 + a2b - ab2 - b3)

= ( A3 - b3)