Equation Solver — Solve for x (Nonlinear, Free)
Use this free equation solver to solve an equation for x, including exponential, logarithmic, radical, rational, and polynomial equations. It finds the real solutions numerically and shows a graph.
How it works
The solver moves everything to one side and finds where f(x) = LHS − RHS crosses zero on your chosen range, pinning down each root precisely.
Original price was: $109.99.$54.99Current price is: $54.99.
How to use it
- Enter the left and right sides (using x).
- Set a search range.
- Press Solve for x.
Related: the Linear Equation Solver and more free math calculators.
Frequently asked questions
What kinds of equations can it solve?
Exponential, logarithmic, radical, rational, polynomial, and trig equations — anything you can write with the supported functions.
Original price was: $109.99.$54.99Current price is: $54.99.
Why a search range?
It finds solutions numerically, so it scans the range you give. Widen it if a solution is missing.
Original price was: $109.99.$54.99Current price is: $54.99.
Does it find every solution?
It finds the real solutions on your range; widen the range to catch more.
Original price was: $27.99.$17.99Current price is: $17.99.
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