If 2x√3 + √27 = 8.66 , then 3√（-27）2 + √108 + （2x √3）3 = ?

Use the statement to solve the question.

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1 Answer

2root(3) x +root(27)=8.66

2root(3)x=8.66-3*root(3)

x=[8.66 -3*root(3)] / 2 root(3)

root(3)=1.732050808

3*root(3)=5.196152423

8.66=3*root(3)=8.66 -5.196...   =3.463847577

divide bi 3.464101615

ans=0.99992666

me ges it was spozed tu be 1, but then shood hav 8.6666666
by

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