Expressions
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Which is the product of (x + 2) (x - 2)?
Answer:-
- [tex] \pink{\bold{ { x}^{2} - 4}}[/tex]
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Solution:-
Use the form (a-b)(a+b)=a²-b², then evaluate the power.
- [tex] \pink{\bold{ (x + 2)× (x - 2)}}[/tex]
- [tex] \pink{\bold{ { x}^{2} - {2}^{2} }}[/tex]
- [tex] \pink{\bold{ { x}^{2} - 4}}[/tex]
Therefore, the product of (x + 2) (x - 2) is x²-4.
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