Question

(-3+√5) (-3-√5) simplify the expression

Answer 1

hey rohan !!!!!!!!!!!

here is ur answer.....

when we multiply both of them
we get...
= { ( -3 )^2 - ( sqrt5 )^2 }
= { ( 9 ) - ( 5 ) }
= { 4 }
= 4

hope it helps you

Answer 2

Heya ✋

Let see your answer !!!!

$( - 3 + \sqrt{5})( - 3 - \sqrt{5} \\ we \: use \: this \: formula \: here \\ (a + b)(a - b) = a ^{2} - b ^{2} \\ ( - 3) ^{2} - ( \sqrt{5}) ^{2} \\ = 9 - 5 \\ = 4$



Thanks :)))))