Question

25. a2 - b2 - (a + b)2​

Answer 1

Answer:

a²-b²=(a+b)(a-b) is the answer

Answer 2

-2b^2-2ab

Step-by-step explanation:

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

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

-2b^2-2ab