Please help me , it's urgent
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first rationalise value of x
we get x=2+√3
Now solve this equation
(2+√3)³-2(2+√3)²-7(2+√3)+5
=8+3√3+18-12√3-8-12-8√3-14-7√3+5
=3
Ans is 3
hence showed
please mark it as brainliest
we get x=2+√3
Now solve this equation
(2+√3)³-2(2+√3)²-7(2+√3)+5
=8+3√3+18-12√3-8-12-8√3-14-7√3+5
=3
Ans is 3
hence showed
please mark it as brainliest
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