COLLECTING LIKE TERMS with indices
COLLECTING LIKE TERMS INTRODUCTION
collecting like terms with Negatives: adding, Subtracting (N-C)
collecting like terms with negatives: dividing (n-c)
COLLECTING LIKE TERMS WITH NEGATIVES: MulTIPLYING (N-C)
SUBSTITUTION GRAPH EQUATIONS and SEQUENCE EXPRESSIONS (Positives)
substitution Positives in Formulae and Circle equations
substitution quadratics graph Equations and sequence expressions
Worded Expressions matching (Mathsbot)