Question
Expand the expression
23log10(x)−4log10(y)
Evaluate
log10((x)3y−4)
Multiply the terms
log10(xx×y−4)
Rewrite the expression
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Evaluate
xx×y−4
Express with a positive exponent using a−n=an1
xx×y41
Rewrite the expression
y4xx
log10(y4xx)
Use loga(yx)=loga(x)−loga(y) to transform the expression
log10(xx)−log10(y4)
Simplify the expression
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Evaluate
log10(xx)
Use loga(x×y)=loga(x)+loga(y) to transform the expression
log10(x)+log10(x)
Simplify the expression
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Evaluate
log10(x)
Rewrite in exponential form
log10(x21)
Use logabn=nlogab to simplify the expression
21log10(x)
log10(x)+21log10(x)
Collect like terms by calculating the sum or difference of their coefficients
(1+21)×log10(x)
Add the numbers
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Evaluate
1+21
Reduce fractions to a common denominator
22+21
Write all numerators above the common denominator
22+1
Add the numbers
23
23log10(x)
23log10(x)−log10(y4)
Solution
23log10(x)−4log10(y)
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