[15.1] STATEMENT-EXPRESSION-VARIABLE#15.11 Basic expressions with variables#15.12 Writing statements as expressions#15.13 Evaluate expressions- multiple variables#15.14 Basic expressions word problems [15.2] EXPRESSIONS & POLYNOMIALS#15.21 Expression, Equation & Polynomial#15.22 Like terms with distribution#15.23 Like terms, -ve coeff. & distribution#15.24 Add polynomials (intro)#15.25 Subtract polynomials (intro)#15.26 Evaluating expressions- one variable#15.27 Evaluating expressions- multiple variables [15.3] EQUATIONS-1#15.31 Testing solutions to equations#15.32 Testing solutions to equations#15.33 One-step addition & subtraction#15.34 One-step multiplication & division#15.35 Two-step equations#15.36 Two-step equation-decimal & fraction#15.37 Linear equations word problems [15.4] EQUATIONS-2#15.41 Two-step equations#15.42 Variables on both sides#15.43 Variables both sides-decimals & fractions#15.44 Equations with parentheses#15.45 Equations reducible to linear form#15.46 Equations reducible to linear form#15.47 Sums of consecutive integers#15.48 Linear equations word problems-II#15.49 Linear equations in two variables [15.5] OPERATIONS ON POLYNOMIALS#15.51 Add polynomials (intro)#15.52 Subtract polynomials (intro)#15.53 Multiply monomials#15.54 Divide polynomials by monomials#15.55 Divide polynomials by linear expressions#15.56 Divide polynomials with remainders#15.57 Multiply monomials by polynomials#15.58 Multiply binomials#15.59 Multiply Difference of Squares [15.6] FACTOR POLYNOMIALS - I#15.61 Factor monomials#15.62 Factor polynomials - (common factor)#15.63 HCF of monomials#15.64 Difference of squares#15.65 Perfect squares: factorization#15.66 Factor polynomials using structure#15.67 Factoring quadratics [15.7] FACTOR POLYNOMIALS - II#15.71 Polynomials - Intro & Exercises#15.72 Value & Zero of Polynomial#15.74 Remainder Theorem#15.75 Factor Theorem#15.77 Algebraic Identities [15.8] PAIR OF LINEAR EQUATIONS#15.81 Pair of linear equations in two variables#15.84 Quadratic equations [15.9] POLYNOMIALS IN GRAPH#15.91 Polynomials in graph