Weegy: In mathematics, a coefficient is a multiplicative factor in some term of an expression (or of a series); it is usually a number, but in any case does not involve any variables of the expression. [ For instance in
7x2 - 3xy + 1.5 + y
the first three terms respectively have the coefficients 7, -3, and 1.5 (in the third term there are no variables, so the coefficient is the term itself; it is called the constant term or constant coefficient of this expression). The final term does not have any explicitly written coefficient, but is usually considered to have coefficient 1, since multiplying by that factor would not change the term. ] Expert answered|Greenpepper|Points 2194|

User: how to do these?: Factorise each of the following. a) 4c + 8 =? b) 10 - 6d=?

Weegy: The result of the factorization of -15m + 9n is -3(5m-3n). The result in the factorization of -4x -12y is -4(x+3y) User: How to do these?: Simplify the expressions where necessary or otherwise, find the coefficient of xy in each of the following. a) 5(-xy + y) - 2x(y - x) + y(x + y) (More)

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