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Created on: 2011-12-27

A sample problem solved by Quickmath web math calculator

a rational expression; added | review the way to multiply out a sum comprising 3 terms. (4*x+3)*(3*x+3)

Command

Solve

Equation
x = (-30)*0.7*((2*0.7)^2-1)

  1. an equation LHS is equal to x RHS is equal to a product consisting of 3 factors; the 1st factor of the product is negative thirty; the 2nd factor of the product is zero point seven; the 3rd factor of the product is a sum of 2 terms; the 1st term of the sum is equal to a power; the base is a product consisting of 2 factors; the 1st factor of the product is equal to two; the 2nd factor of the product is equal to zero point and seven tenth; the exponent is two; the 2nd term of the sum is equal to negative one;
  2. x is equal to left parenthesis negative thirty right parenthesis times zero point seven times opening brace opening parenthesis two times zero point seven closing parenthesis to the power two plus negative one closing brace;
Variable
Result

Exact

x = -504/25

  1. an equation Left side of the equation is x Right side of the equation is equal to a rational expression : the top of the rational expression is negative five hundred and four; the bottom of the rational expression is twenty five;
  2. x is equal to negative five hundred and four divided by twenty five;


Approximate

x = -20.16

  1. an equation LHS is equal to x Right side of the equation is equal to negative twenty point one tenth and six hundredth.
  2. x is equal to negative twenty point one six;