Frequently Used Solvers

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Simplify an Expression

Factor an Expression.

How to input powers: if you want to enter something like (x-1)2-5, enter (x-1)^2-5.

Evaluate Decimal (and other) Expressions

Use this form to evaluate expressions, multiply and divide numbers.

Examples: 1+2, 3.14/2, 5-7+(-11)*10, 2x-5yz, (x-1)^2/xy+7xy, etc etc
Note that if your expression contains variables x, y, or whatever, we'll ask you for their values.

lesson on Evaluation and Expressions

Enter Expression:
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Solve an Equation

Important: for quadratic and linear equations, I have solvers that PLOT GRAPHS AND SHOW WORK.
Here they are:
Quadratic Solver with Work Shown, Linear Solver with Work Shown.
This solver does not show work and is for more general kinds of equations.
Solve   for 

Plot a Graph

lesson on
Graphing

Plot  from :

x =  to x =  
and
y =  to y =