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Created on: 2012-01-15

A sample problem solved by Quickmath web math solver

help with adding a fraction; (3*x+4)/(x-7)-(x-4)/(x^2-15*x+56)

Command

Solve

Inequality
3*x^2+9*x+5 <= 0

  1. an inequality in which left side of inequality less than or equal to right side of inequality. The left side of the inequality is equal to a sum of 3 terms. The first term of the sum is equal to a product comprising 2 factors. The first factor of the product is equal to three. The second factor of the product is equal to a power. The base is x. The exponent is two. The second term of the sum is a product consisting of 2 factors. The first factor of the product is equal to nine. The second factor of the product is equal to x. The third term of the sum is five. The right side of the inequality is equal to zero.
  2. three multiplied by x exponentiated by two plus nine times x plus five less or equal than zero;
Variable
Result

Exact

<<<<x >= -(sqrt(21)+9)/6,x <= (sqrt(21)-9)/6>>>>

  1. an inequality in which left side of inequality larger than or equal to right side of inequality. The left side of the inequality is x. The right side of the inequality is equal to a quotient: dividend of the quotient is a negative sum comprising 2 terms. The first term of the sum is equal to square root of twenty one. The second term of the sum is equal to nine. Divisor of the quotient is six new line an inequality in which left side of inequality less than or equal to right side of inequality. The left side of the inequality is x. The right side of the inequality is a quotient: dividend of the quotient is a sum that comprises 2 terms. The first term of the sum is square root of twenty one. The second term of the sum is negative nine. Divisor of the quotient is six.
  2. opening parenthesis open brace x larger or equal than negative opening brace square root of twenty one plus nine closing brace over six new line x less or equal than square root of twenty one plus negative nine fraction line six close brace closing parenthesis.


Approximate

<<<<x >= -2.26376,x <= -.736237>>>>

  1. an inequality in which left side of inequality larger than or equal to right side of inequality; the left side of the inequality is equal to x; the right side of the inequality is equal to negative two point two tenth, six hundredth, three ten hundredth, seven thousandth and six ten thousandth new line an inequality in which left side of inequality less than or equal to right side of inequality; the left side of the inequality is x; the right side of the inequality is equal to negative zero point seven three six two three seven;
  2. open parenthesis opening bracket x larger or equal than negative two point two tenth, six hundredth, three ten hundredth, seven thousandth and six ten thousandth new line x smaller or equal than negative zero point seven three six two three seven closing bracket close parenthesis;