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Created on: 2012-04-02

A sample problem solved by Quickmath math calculator

finding solution to 5000^2 = x^2+(5000-x+0.633/2)^2+(-2)*x*(5000-x+0.633/2)*cos(pi-0.04) equation | investigate the way to multiply out a sum comprising 3 terms;

Command

Solve

Equation
a^2+3*a = 2

  1. an equation LHS is equal to a sum that comprises 2 terms. The 1st term of the sum is equal to a power. The base is a. The exponent is two. The 2nd term of the sum is a product that contains 2 factors. The 1st factor of the product is equal to three. The 2nd factor of the product is a RHS is two.
  2. a raised to the power two plus three times a is equal to two;
Variable
Result

Exact

Solution 1 ( real )
a = -(sqrt(17)+3)/2

  1. an equation Left side of the equation is equal to a Right side of the equation is equal to a quotient: dividend of the quotient is a negative sum of 2 terms; the 1st term of the sum is equal to square root of seventeen; the 2nd term of the sum is three; divisor of the quotient is two;
  2. a is equal to negative left brace square root of seventeen plus three right brace over two;
Solution 2 ( real )
a = (sqrt(17)-3)/2

  1. an equation Left side of the equation is equal to a RHS is equal to a quotient: dividend of the quotient is a sum comprising 2 terms; the 1st term of the sum is equal to square root of seventeen; the 2nd term of the sum is negative three; divisor of the quotient is two;
  2. a is equal to square root of seventeen plus negative three over two;


Approximate

Solution 1 ( real )
a = -3.56155

  1. an equation Left side of the equation is equal to a RHS is equal to negative three point five six one five five.
  2. a is equal to negative three point five tenth, six hundredth, one ten hundredth, five thousandth and five ten thousandth;
Solution 2 ( real )
a = .561553

  1. an equation Left side of the equation is a Right side of the equation is equal to zero point five tenth, six hundredth, one ten hundredth, five thousandth, five ten thousandth and three hundred thousandth;
  2. a is equal to zero point five six one five five three.