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Alg2 lesson 5-8
- 3. To solve a radical equation:
•Isolate the radical
•Square both sides
•Solve
•Check
- 6. Solve
Check:
+2 +2
67
( )2 =( 8 )2
64
x – 3 = 64 8–2=6
x = 67 6=6
- 7. Solve
-4 -4
-x -x
-4 -4
Will it check?