Question

simplyfy
(√3-5) (√3+5)​

Answer 1

(√3×√3+√3×5-5×√3-5×5)

(3+5√3-5√3-25)

(3-25+5√3-5√3)

(-22+0)

(-22)

Answer 2

Answer:

=(a+b)(a-b)=a(a-b)+b(a-b)

=√3(√3-5)+5(√3-5)

= 3-5√3+5√3-25

=3-25

= -22

-22 is right answer