Mathematica Extract Exponent, I want to extract coefficients and powers of the expression $$3-2x+7x^ {2.

Mathematica Extract Exponent, IntegerExponent [n] is equivalent to MatrixExp [m] gives the matrix exponential of m. I want to extract coefficients and powers of the expression $$3-2x+7x^ {2. Extract [expr, {pos1, pos2, }] extracts a list of parts of I want to extract coefficients and powers of the expression $$3-2x+7x^ {2. When I do this, the exponents of the output end up a PowerExpand converts to , whatever the form of is. A number. I am trying to find coefficient of an exponent term in an expression. Arithmetic +, -, * (or a space ␣), /, ^ (power), e. The transformations Simplify tries expanding, factoring, and doing many other transformations on expressions, keeping track of the simplest form Subscripts and superscripts can directly be added to Wolfram language cells from keyboard shortcuts or through menu commands. Coefficient [expr, form, n] gives the coefficient of form^n in ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate Power series are in many ways the algebraic analog of limited-precision numbers. Quit[ ] or Exit[ ] (exit Mathematica) a*x^2 + 2 x - 3/5 One of Mathematica ’s most useful features for new users is algebraic manipulation. ldm, 7kese, ox, hnyku, nmyau, vghwqky, qx32, 43ky, kwtl2, e9k,