Question

GUYS IT'S URGENT.
IF X=1 ÷2-√3, FIND x^3 -2x^2-7x+5

Answer 1

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.