Remove or Add Parentheses as Indicated $a ( b + c ) - b ( c + a )$

question 119

Multiple Choice

Remove or add parentheses as indicated.
-Rewrite $a ( b + c ) - b ( c + a )$ without parentheses.

• A) ac - bc
• B) \(a c + b c\)
• C) \(a c + b c + 2 a b\)
• D) \(2 a b + a c - b c\)

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Definitions:

Control Limits

Statistical boundaries in process control systems that indicate the maximum and minimum values a process should operate within to maintain quality control.

P-chart

A P-chart is a type of control chart used in statistical quality control to monitor the proportion of defective items in a series of samples and determine whether a process is in control.

Process Output

The final product, result, or service generated by completing a specific process.

R-chart

A type of control chart used to monitor the range within a sample to evaluate the variability of a process.