Answer:
-4
Step-by-step explanation:
(√3+7)(√3-7)
=(√3)²-7². (a+b) (a-b)=a²-b²
=3-7
=-4
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Answers & Comments
Answer:
-4
Step-by-step explanation:
(√3+7)(√3-7)
=(√3)²-7². (a+b) (a-b)=a²-b²
=3-7
=-4