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Exponents and Radicals
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RADICAL EQUATION
Simplifying Radical Expressions
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Exponents and Radicals
Exponents and Radicals
Roots;Rational Exponents;Radical Equations
Solving and graphing radical equations
Solving Radical Equations
Radicals and Rational Exponents
exponential_and_radical_properties
Roots, Radicals, and Root Functions
Multiplication of Radicals
Solving Radical Equations
Radical Expressions and Equations
SOLVING RADICAL EQUATIONS
Equations Containing Radicals and Complex Numbers
Square Roots and Radicals
Solving Radical Equations in One Variable Algebraically
Polynomials and Radicals
Roots,Radicals,and Fractional Exponents
Adding, Subtracting, and Multiplying Radical Expressions
Square Formula and Powers with Radicals
Simplifying Radicals
Exponents and Radicals Practice
Solving Radical Equations
Solving Radical Equations
Solving Radical Equations
Lecture-Radical Expressions
Radical Functions
   
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Square Formula and Powers with Radicals

A. Square Formula

Recall the square formula:

Square formula:

1.Square the first term

2.Product times two

3.Square the last term

After applying the square formula with radicals, remember to simplify.

B. Examples

Example 1: Simplify

Solution

Apply the square formula:

Thus we get

Ans

Example 2: Simplify

Solution

By the square formula, we have

Combining like terms, we have

Ans

Example 3: Simplify

Solution

By the square formula, we have

Combining like terms, we have

Ans

Example 4: Simplify

Solution

By the square formula, we have

Bringing the power to the inside and rearranging, we have

Ans

C. Powers

Recall that we use the square formula repeatedly with FOIL/factor table.

Example 1: Simplify

Solution

Now apply the square formula:

Combining like terms:

Now use FOIL to get the answer:

Ans

Example 2: Simplify

Solution

Now apply the square formula:

Use the factor table:

Thus we have

Ans

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