GUYS IT'S URGENT.
IF X=1 ÷2-√3, FIND x^3 -2x^2-7x+5
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As this question is related to Exponents and powers.
We will solve by the steps given in the attachment.
Step 1= We will rationalise the value of (X).
Step 2= We will cube the value after rationalising.
Step 3= We will square the value that come after rationalising.
Step 4= We will Multiply 7 to the value of x.
At last add the whole steps as Expression.
For Further information please see the attachment.
Attachments:
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