Question

please give me full soution​

Answer 1

Step-by-step explanation:

Pls mark BRAINLIEST and Follow and Thanks

Answer 2

Answer:

a-b=10

ab=12

a=10-b

Therefore,

ab=10-b(b)

=10b-b²

a²+b²=(10-b)²+b²

={100-(2)(10)(b)+b²}+b²

=(100-20b+b²)+b²

=2b²-20b+100.

Hope this answer is helpful.

Step-by-step explanation: