**Question:**

**9.1.
If (4x +3y) : ( 3x +-5y) =6:7, Find x, if y = 82.Find the value of 4 x2y2z x 12 x2 y3 z33.Simplify X – [ y + { x(y + x)]4.Find the product of (4x-3y) and ( 4x – 5y)5.Divide 18 x4 y 2 by 3 x 2 y2**

**9.1.
If (4x +3y) : ( 3x +-5y) =6:7, Find x, if y = 82.Find the value of 4 x2y2z x 12 x2 y3 z33.Simplify X – [ y + { x(y + x)]4.Find the product of (4x-3y) and ( 4x – 5y)5.Divide 18 x4 y 2 by 3 x 2 y2**