# SOLUTION: Perform the indicated operation and simplify. (square root of 7 -5)(square root of 7 +5) -8 + square root of 48 OVER 4

Algebra ->  Algebra  -> Square-cubic-other-roots -> SOLUTION: Perform the indicated operation and simplify. (square root of 7 -5)(square root of 7 +5) -8 + square root of 48 OVER 4      Log On

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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 4Answer 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.