Question

16(a+b)square-49(a-b)square

Answer 1

Answer:

-33(a^2+b^2) + 130ab

Step-by-step explanation:

16(a+b)^2 - 49(a-b)^2

= 16a^2+32ab+16b^2-49a^2+98ab-49b^2

= -33a^2+130ab-33b^2

hope you understand that