- 3x²
- 10 = 62
+10 +10
3x² = 72
/3
/3
x² = 36
root root
x = 6 or -6
-
square square
x + 10 = 9
-10 -10
x = -1
-
square square
·25 ·25
x - 3 = 2500
+3 +3
x = 2503
-
·x
·x
2x - 4 = 10x
-2x
-2x
-4 = 8x
/8 /8
-1/2 = x
- (3x
- 4)² -1 = 8
+1 +1
(3x - 4)² = 9
root
root
3x - 4 = 3 or 3x - 4 = -3
+4
+4
+4 +4
3x = 7 or 3x = 1
/3
/3
/3 /3
x = 7/3 or x =
1/3
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