SOLUTION: Perform the indicated operation and simplify.
(square root of 7 -5)(square root of 7 +5)
-8 + square root of 48 OVER 4
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Question 118120: Perform the indicated operation and simplify.
(square root of 7 -5)(square root of 7 +5)
-8 + square root of 48 OVER 4
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
SORRY I SKIPPED OVER THE SECOND PROBLEM.
(SQRT7-5)(SQRT7+5)=7-25=-18 ANSWER.
NOT SURE WHERE YOU NEED ().
-8+SQRT48/4=-8+SQRT12=-8SQRT(4*3)=-8*2SQRT3=-16SQRT2 ANSWER.
OR:
(-8+SQRT48)/4=[-8+SQRT(16*3)]4=(-8+4SQRT3)/4=-2+SQRT3 ANSWER.
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