Started Level J by 6th grade

The subjects I am starting to study in level J are: 

• Expansion of polynomial products
• Factorization
• Fractional expressions
• Irrational numbers
• Quadratic equations
• Quadratic equations and complex numbers
• Discriminant
• Root-coefficient relationship
• Simultaneous equations
• Dividing polynomials
• Remainder theorem
• Factor theorem
• Proof of identities and equalities
• Proof of equalities and inequalities