Question

simplify: (-3+_/5) (-3-_/5)​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$( - 3 + \sqrt{5} )( - 3 - \sqrt{5) }$

(a+b)(a-b)=a^2-b^2

(-3+√5)(-3-√5)=(-3)^2-(√5)^2

=9-5

=4