Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic you need. Click the blue arrow to submit and see your result!

2023年10月14日 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, powers and rounding. How to do repeating operations, higher powers and roots, memory and clear functions for this standard calculator are explained below.

Click the blue arrow to submit and see the result! The equation solver allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

See the solution process below: Explanation: We can factor as \displaystyle{r} out of each term to give: \displaystyle{13}{r}+{5}{r}\to{r}{\left({13}+{5}\right)}\to{18}{r}

QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.

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Free math problem solver answers your algebra homework questions with step-by-step explanations.

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