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Enter expression, e.g. (x^2-y^2)/(x-y)

Enter expression, e.g. x^2+5x+6

Enter expression, e.g. (x+1)^3

Enter a set of expressions, e.g. ab^2,a^2b

Enter equation to solve, e.g. 2x+3=4

Enter equation to graph, e.g. y=3x^2-1

Depdendent Variable

Number of equations to solve:

Equ. #1:

Equ. #2:

Equ. #3:

Equ. #4:

Equ. #5:

Equ. #6:

Equ. #7:

Equ. #8:

Equ. #9:

Solve for:

Enter inequality to solve, e.g. 2x+3>4

Enter inequality to graph, e.g. y<3x^2-1

Dependent Variable

Number of inequalities to solve:

Ineq. #1:

Ineq. #2:

Ineq. #3:

Ineq. #4:

Ineq. #5:

Ineq. #6:

Ineq. #7:

Ineq. #8:

Ineq. #9:

Solve for:

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Combining Like Radical Terms

Adding and subtracting radical expressions is like adding and subtracting polynomials.

â€¢ With polynomials, to add like terms, we add their coefficients.	2x + 3x = (2 + 3)x = 5x
â€¢ With radical expressions, to add like radical terms, we add the numbers in front of the radicals.

Before we can combine radical terms, we sometimes need to simplify the individual radicals to obtain like terms.

Consider this example:
At first glance, we may think we cannot add the radical terms because the radicands are different.
However, if we simplify , we can combine like radical terms: