
Solve for x Calculator - Mathway
The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.
Simplify (x+y)(x-y) - Mathway
Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
Prove that $||x|-|y||\\le |x-y|$ - Mathematics Stack Exchange
Rewriting $|x|-|y| \leq |x-y|$ and $||x|-y|| \leq |x-y|$. The item of Analysis that I find the most conceptually daunting at times is the notion of order $(\leq,\geq,<,>)$, and how certain …
Graphing Calculator - Desmos
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.
Solve x-y | Microsoft Math Solver
Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.
Step-by-Step Math Problem Solver - QuickMath
Solve an equation, inequality or a system.
Linear Equations - Math is Fun
There are many ways of writing linear equations, but they usually have constants (like "2" or "c") and must have simple variables (like "x" or "y"). Examples: These are linear equations: y = 3x − 6
How to prove $|x − y| ≤ |x| + |y|$, proof and reasoning
2018年12月18日 · $\begingroup$ How exactly do you plan to work from $|x − y|^2 ≤ (x − y)^2$ to the inequality to be proved? $\endgroup$ –
Solve x+y=xy | Microsoft Math Solver
Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.
solve for x and y - Symbolab
x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120)