Pre-Algebra Examples

${(9 x^{4})}^{\frac{1}{2}}$

Step 1

Simplify and reorder the polynomial.

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Step 1.1

Simplify the expression.

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Step 1.1.1

Apply the product rule to $9 x^{4}$ .

$9^{\frac{1}{2}} {(x^{4})}^{\frac{1}{2}}$

Step 1.1.2

Rewrite $9$ as $3^{2}$ .

${(3^{2})}^{\frac{1}{2}} {(x^{4})}^{\frac{1}{2}}$

Step 1.1.3

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$3^{2 (\frac{1}{2})} {(x^{4})}^{\frac{1}{2}}$

Step 1.2

Cancel the common factor of $2$ .

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Step 1.2.1

Cancel the common factor.

$3^{2 (\frac{1}{2})} {(x^{4})}^{\frac{1}{2}}$

Step 1.2.2

Rewrite the expression.

$3^{1} {(x^{4})}^{\frac{1}{2}}$

Step 1.3

Evaluate the exponent.

$3 {(x^{4})}^{\frac{1}{2}}$

Step 1.4

Multiply the exponents in ${(x^{4})}^{\frac{1}{2}}$ .

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Step 1.4.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$3 x^{4 (\frac{1}{2})}$

Step 1.4.2

Cancel the common factor of $2$ .

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Step 1.4.2.1

Factor $2$ out of $4$ .

$3 x^{2 (2) \frac{1}{2}}$

Step 1.4.2.2

Cancel the common factor.

$3 x^{2 \cdot 2 \frac{1}{2}}$

Step 1.4.2.3

Rewrite the expression.

$3 x^{2}$

Step 2

The largest exponent is the degree of the polynomial.

$2$