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Created on: 2012-02-14

A sample problem solved by Quickmath online math calculator

study the way to expand (4*x-5)*(x+3) | a rational expression; over common denominator

Command

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Expression

(5+y)*(5-y)

  1. A product of 2 factors; the 1st factor of the product is a sum that contains 2 terms; the 1st term of the sum is five; the 2nd term of the sum is equal to y; the 2nd factor of the product is equal to a sum of 2 terms; the 1st term of the sum is equal to five; the 2nd term of the sum is negative y;
  2. open bracket five plus y close bracket times open brace five plus negative y close brace;

Result

25-y^2

  1. A sum comprising 2 terms. The 1st term of the sum is equal to twenty five. The 2nd term of the sum is equal to a negative power. The base is y. The exponent is two.
  2. twenty five plus negative y raised to the power of two;