Multiply and Simplify, If Possible $( \sqrt { 7 x } + \sqrt { 2 y } ) ( \sqrt { 7 x } - \sqrt { 2 y } )$

question 315

Essay

Multiply and simplify, if possible. All variables represent positive real numbers. $( \sqrt { 7 x } + \sqrt { 2 y } ) ( \sqrt { 7 x } - \sqrt { 2 y } )$

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Definitions:

Prevention Focus

A psychological orientation that emphasizes the avoidance of negative outcomes and errors, leading individuals to adhere to rules and responsibilities.

Need For Cognition

A personality trait reflecting the enjoyment or engagement with thinking, problem-solving, and understanding complex ideas.

Self-Monitoring

The awareness and regulation of one's behavior in accordance with the social situations and cues.

Attitude Inoculation

A psychological technique that strengthens an individual's attitudes or beliefs by exposing them to small doses of counterarguments, thereby making them more resistant to future challenges or attacks.