Simplify the expression: $( l-5)( b+3)=lb-9$.

Given: Expression: $( l-5)( b+3)=lb-9$.

To do: To simplify the expression $( l-5)( b+3)=lb-9$.

Solution: 

As given expression $( l-5)( b+3)=lb-9$.

$\Rightarrow lb+3l-5b+15=lb-9$

$\Rightarrow lb+3l-5b+15-lb+9=0$

$\Rightarrow 3l-5b+24=0$

Thus, $3l-5b+24=0$ is the simplified form of the given expression.

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Updated on: 10-Oct-2022

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