(3x-7)³+(3x-8)³+(3x+6)³=3(3x-7)(3x-8)(3x+6)
Find the value of x ?

Find the exact value of the following question:

If a + b = -2 and a - b = 12, find b. 

A root of equation (where a, b and c are rational numbers) is 5 +3√3. What is the value of

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer

Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.

 I. x² – 7x+ 12=0
II. y²-12y+32 =0

If 4x+5y=83 and then what is the value of y-x ?

Find the exact value of the following question:

Solve: 0.05 × 0.4