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2x + 3 = 11
x^2 - 5x + 6 = 0
x^2 + 2x + 5 = 0
sin(x) = 0.5
e^x = 3x
1/(x-1) = 2
sqrt(x+4) = x - 2
x =
3
x =
2
Show the work
Standard form: 1x² + -5x + 6 = 0
Discriminant: b² − 4ac = (-5)² − 4(1)(6) = 1
x = (−b ± √D) / 2a = (5 ± √1) / 2
Check:
✓ x = 3 → left − right = 0
✓ x = 2 → left − right = 0