Question
Simplify the expression
a4a
Evaluate
a23(a2)23
Multiply the exponents
a23×a2×23
Multiply the numbers
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Evaluate
2×23
Reduce the numbers
1×3
Simplify
3
a23×a3
Use the product rule an×am=an+m to simplify the expression
a23+3
Add the numbers
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Evaluate
23+3
Reduce fractions to a common denominator
23+23×2
Write all numerators above the common denominator
23+3×2
Multiply the numbers
23+6
Add the numbers
29
a29
Use anm=nam to transform the expression
a9
Rewrite the exponent as a sum
a8+1
Use am+n=am×an to expand the expression
a8×a
The root of a product is equal to the product of the roots of each factor
a8×a
Solution
a4a
Show Solution

Find the roots
a=0
Evaluate
a23(a2)23
To find the roots of the expression,set the expression equal to 0
a23(a2)23=0
Find the domain
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Evaluate
{a≥0a2≥0
Since the left-hand side is always positive or 0,and the right-hand side is always 0,the statement is true for any value of a
{a≥0a∈R
Find the intersection
a≥0
a23(a2)23=0,a≥0
Calculate
a23(a2)23=0
Evaluate the power
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Evaluate
(a2)23
Transform the expression
a2×23
Multiply the numbers
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Evaluate
2×23
Reduce the numbers
1×3
Simplify
3
a3
a23×a3=0
Multiply the terms
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Evaluate
a23×a3
Use the product rule an×am=an+m to simplify the expression
a23+3
Add the numbers
More Steps

Evaluate
23+3
Reduce fractions to a common denominator
23+23×2
Write all numerators above the common denominator
23+3×2
Multiply the numbers
23+6
Add the numbers
29
a29
a29=0
The only way a root could be 0 is when the radicand equals 0
a=0
Check if the solution is in the defined range
a=0,a≥0
Solution
a=0
Show Solution
