Question

(3+root3)(3-root2) equal to

Answer 1

Answer:

Step-by-step explanation:

3(3-$\sqrt{2\\}$)+$\sqrt{3}(3-\sqrt{2})$

9 - 3$\sqrt{2}$+3$\sqrt{3}$-$\sqrt{6\\}$

Answer 2

Step-by-step explanation:

using (a+√b)(a-√b)= a²-b²

using (a+√b)(a-√b)= a²-b²≈9-2

using (a+√b)(a-√b)= a²-b²≈9-2≈7