Evaluate: (5x-3)/(9-15x)

Expression: $\frac{ 5x-3 }{ 9-15x }$

Use the commutative property to reorder the terms

$\frac{ 5x-3 }{ -15x+9 }$

Factor out $-3$ from the expression

$\frac{ 5x-3 }{ -3\left( 5x-3 \right) }$

Cancel out the common factor $5x-3$

$\frac{ 1 }{ -3 }$

Use $\frac{ -a }{ b }=\frac{ a }{ -b }=-\frac{ a }{ b }$ to rewrite the fraction

$\frac{ 1 }{ -3 }$

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