Question
Simplify the expression
8x5x
Evaluate
x(5x3)(2x)−3
Evaluate
x5x3(2x)−3
Reduce the fraction
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Calculate
xx3
Use the product rule aman=an−m to simplify the expression
x3−21
Subtract the terms
x25
5x25(2x)−3
Evaluate the power
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Evaluate
(2x)−3
To raise a product to a power,raise each factor to that power
2−3x−3
Evaluate the power
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Evaluate
2−3
Rewrite the expression
231
Simplify
81
81x−3
5x25×81x−3
Multiply the numbers
85x25×x−3
Multiply the terms with the same base by adding their exponents
85x25−3
Subtract the numbers
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Evaluate
25−3
Reduce fractions to a common denominator
25−23×2
Write all numerators above the common denominator
25−3×2
Multiply the numbers
25−6
Subtract the numbers
2−1
Use b−a=−ba=−ba to rewrite the fraction
−21
85x−21
Express with a positive exponent using a−n=an1
85×x211
Rewrite the expression
8x215
Use anm=nam to transform the expression
8x5
Multiply by the Conjugate
8x×x5x
Solution
8x5x
Show Solution

Find the roots
x∈∅
Evaluate
x(5x3)(2x)−3
To find the roots of the expression,set the expression equal to 0
x(5x3)(2x)−3=0
Find the domain
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Evaluate
⎩⎨⎧2x=0x≥0x=0
Calculate
⎩⎨⎧x=0x≥0x=0
Calculate
⎩⎨⎧x=0x≥0x=0
Simplify
{x=0x≥0
Find the intersection
x>0
x(5x3)(2x)−3=0,x>0
Calculate
x(5x3)(2x)−3=0
Multiply the terms
x5x3(2x)−3=0
Multiply the terms
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Evaluate
5x3(2x)−3
Reduce the numbers
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Calculate
5x3×81x−3
Rewrite the expression
5x3×8x31
Reduce the numbers
5×81
5×81
Multiply the numbers
85
x85=0
Divide the terms
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Evaluate
x85
Multiply by the reciprocal
85×x1
Multiply the terms
8x5
8x5=0
Cross multiply
5=8x×0
Simplify the equation
5=0
Solution
x∈∅
Show Solution
