Question

simplify (2√3+3√5)×(2√3-2√5
with method​

Answer 1

Answer:

-8

Step-by-step explanation:

use (a+b)(a-b)=a²-b²

(2√3)²-(2√5)²=12-20=-8

Answer 2

Answer:

Step-by-step explanation:

See the screenshot attached