Question

simplify: (3+√7)(2+√5)​

Answer 1

Answer:

$(3 + \sqrt{7} )(2 + \sqrt{5} ) \\ = 3 \times 2 + 3 \times \sqrt{5} + \sqrt{7} \times 2 + \sqrt{7} \times \sqrt{5} \\ = 6 + 3 \sqrt{5} + 2 \sqrt{7} + \sqrt{35}$

Answer 2

Answer:

(5+√7) (2+√5)

=5×2+5√5+2√7+√7√5

=10+5√5+2√7+√35

=32.38792