Respuesta :
I hope this helps you
(-5)^2+2. (-5)(-square root of 3)+('square root of 3)^2
25-10square root of 4+3
28-10square root of 3
(-5)^2+2. (-5)(-square root of 3)+('square root of 3)^2
25-10square root of 4+3
28-10square root of 3
[tex](-5- \sqrt{3}) (-5- \sqrt{3})=[/tex]
foil dis
first: -5 times -5=25
outer: -5 times-√3=5√3
inner: -√3 times -5=5√3
last: -√3 times -√3=3
now add dem
25+5√3+5√3+3=
25+3+10√3=
28+10√3
foil dis
first: -5 times -5=25
outer: -5 times-√3=5√3
inner: -√3 times -5=5√3
last: -√3 times -√3=3
now add dem
25+5√3+5√3+3=
25+3+10√3=
28+10√3