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Created on: 2012-03-20

A sample problem solved by Quickmath math calculator

Command

Expand

Expression

(-4)*(x-2*y)

  1. A product that contains 2 factors. The first factor of the product is negative four. The second factor of the product is equal to a sum that consists of 2 terms. The first term of the sum is equal to x. The second term of the sum is equal to a negative product that comprises 2 factors. The first factor of the product is equal to two. The second factor of the product is equal to y.
  2. opening parenthesis negative four closing parenthesis multiplied by left brace x plus negative two multiplied by y right brace;

Result

8*y-4*x

  1. A sum that consists of 2 terms; the first term of the sum is equal to a product that contains 2 factors; the first factor of the product is eight; the second factor of the product is equal to y; the second term of the sum is a negative product consisting of 2 factors; the first factor of the product is equal to four; the second factor of the product is equal to x;
  2. eight multiplied by y plus negative four multiplied by x.