Example: x^2+5x+4
Example (Click to try)
x^2+5x+4
How to factor expressions
If you are factoring a quadratic like x^2+5x+4 you want to find two numbers that
- Add up to 5
- Multiply together to get 4
Since 1 and 4
add up to 5 and multiply together to get 4, we can factor it like:
(x+1)(x+4)
Current calculator limitations
- Doesn't support multivariable expressions
- If you have an expression that you want the calculator to support in the future, please contact us
Factoring Expressions Video Lesson
How To Factor x^2+5x+4 [0:58]
Need more problem types? Try MathPapa Algebra Calculator
When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. At this point the calculator will attempt to factor the expression by dividing a GCF, and identifying Any lowercase letter may be used as a variable. Exponents are supported on variables using the ^ (caret) symbol. For example, to express x2, enter x^2. Note: exponents must be positive integers, no negatives, decimals, or variables. Exponents may not be placed on numbers, brackets, or parentheses. Parentheses
( ) and brackets [ ] may be used to group terms as in a standard expression. For addition and subtraction, use the standard + and – symbols respectively. For multiplication, use the * symbol. A * symbol is optional when multiplying a number by a variable. For instance: 2 * x can also be entered as 2x. Similarly, 2 * (x + 5) can The calculator follows the standard order of operations taught by most algebra books – Parentheses, Exponents, Multiplication and Division, Addition and Subtraction. The only exception is that division is not supported; attempts to use the / symbol willQuick-Start Guide
a difference between two
squares, or factorable trinomials. Use the following rules to enter expressions into the calculator.Variables
Exponents
Parentheses and Brackets
Multiplication, Addition, and Subtraction
also be entered as 2(x + 5); 2x * (5) can be entered as 2x(5). The * is also optional when multiplying
parentheses, example: (x + 1)(x – 1).Order of Operations
result in an error.
Division, Square Root, Radicals, Fractions
Division, square root, radicals, and fractions are not supported.
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