NMT / ZNO

Formulas and reference

A compact mathematics reference in two levels: the NMT exam sheet and the full ZNO formula set.

ZNO — full reference · Algebra · 7 formulas
Full ZNO Expanded school formula set. The “NMT” badge marks formulas also present on the compact sheet.
Algebraic identities

Algebraic identities

Difference of squares

NMT
\[a^2-b^2=(a-b)(a+b)\]
7–9 grade

Square of a sum

NMT
\[(a+b)^2=a^2+2ab+b^2\]
7–9 grade

Square of a difference

NMT
\[(a-b)^2=a^2-2ab+b^2\]
7–9 grade

Cube of a sum

\[(a+b)^3=a^3+3a^2b+3ab^2+b^3\]
7–9 grade

Cube of a difference

\[(a-b)^3=a^3-3a^2b+3ab^2-b^3\]
7–9 grade

Sum of cubes

\[a^3+b^3=(a+b)(a^2-ab+b^2)\]
7–9 grade

Difference of cubes

\[a^3-b^3=(a-b)(a^2+ab+b^2)\]
7–9 grade