Short walkthroughs for getting the most out of the solver, plus practice problems sorted by difficulty.
Use standard notation, e.g. 2x+3=11 or x^2+5x+6=0.
The solver detects the equation type automatically.
Follow the numbered working shown beneath your answer.
A quick reference for what you can type into the solver.
7 + 5 = ?
x + 4 = 10
10% of 40
9 × 3
3x - 7 = 14
x^2 - 4 = 0
35% of 220
(15 + 9) ÷ 3
2x^2 + 3x - 5 = 0
x^2 + 2x + 1 = 0
-4x + 9 = -19
x^2 - 6x + 9 = 0
Give yourself 60 seconds to work through these five, then check your answers against the solver.
6 + 8 × 2
x - 5 = 3
50% of 90
4x = 28