Question

Simplify (√3 + √5) (3 - √5).​

Answer 1

Answer:

3.12

Step-by-step explanation:

(√3 + √5) (3 - √5)

(1.7+2.2) (3-2.2)

=(3.9)(0.8)

=3.12

Answer 2

Answer:

-2

Step-by-step explanation:

= (√3 + √5 ) (√3-√5)

(a + b) (a - b) = a²- b²

= (√3)² - (√5)²

= 3-5

= -2