Question

If x=1/(8-√60) what is the value of x^3-5x^2+8x-4​

Answer 1

Answer:

(3p-2q)pow 2 =(3p+2q)pow 2 + 4pq

similarly,

(3p+2q)pow 2 =( 3p-2q)pow2 -4pq

(3p+2q) = root of {25 - 4(4)}

3p+2q = 9

Here, pow 2 means raised to 2

Step-by-step explanation: