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(-5)^2+2. (-5)(-square root of 3)+('square root of 3)^2



25-10square root of 4+3



28-10square root of 3
apologiabiology
[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

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