Question

What is the answer to this question?

(3+√5)^2

Answer 1

14 + 6√5 because foil method

(3+√5)^2 = (3+√5)(3+√5)

3(3) = 9
3(√5) = 3√5
√5(3) = 3√5
√5(√5) = 5

9 + 3√5 + 3√5 + 5
= 14 + 6√5

Answer 2

the answer to this is

14 + 6√5