Question

Simplify (3✓5-2✓3) (3✓5+2✓3)

Answer 1

(3✓5-2✓3) (3✓5+2✓3)=33

Here is the solution

Answer 2

2✓3 - ✓5 / 2✓3 + 3✓3

( 2✓3 - ✓5 ) / ( 2✓3 + 3✓3 ) × ( 2✓3 - 3✓3/(2✓3-3✓3)

( 2✓3 - ✓5 ) ( 2✓3 - 3✓3 ) / ( 2✓3 + 3✓3 ) ( 2✓3 - 3✓3 )

2✓3 ( 2✓3 - 3✓3 ) - ✓5 ( 2✓3 - 3✓3 ) / ( 2✓3)² - (3✓3)²

12 - 18 - 2✓15 + 3✓15 / 12 - 27

-6 + ✓15 / -15

thanks

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