Equation Solver: Wolfram|Alpha
www.wolframalpha.com › calculators › equation-solverEquation solving » Tips for entering queries. Enter your queries using plain English. To avoid ambiguous queries, make sure to use parentheses where necessary. Here are some examples illustrating how to formulate queries. find roots to quadratic x^2-7x+12; plot inequality x^2-7x+12<=0; solve {3x-5y==2,x+2y==-1} plot inequality 3x-5y>=2 and x+2y<=-1