Solving Quadratic Equations by Completing the Square and Square Roots
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3x² + 6 = -498
Does not exist (you can't square root a negative number)
x² + 18x = -77
x = -11, -7
x² -6x + 9 = 25
x = -2, 8
x²-12x + 36 = 121
x = -5, 17
x² + 4x - 5 = 0
x = 1, -5
x² -16x = 57
x = 19, -3
x² + 12x - 28 = 0
x = 2, -14
x² + 16x + 39 = 0
x = 3, 13
x² + 12x - 85 = 0
x = 5, -17
x² - 12x + 29 = 2
x = 9, 3
x² + 14x = -48
x= -6, -8
4x² + 1 = 113
±2√7
p² - 8 = 8
±4
3 - 9x² = -285
±4√2
-5 - 3n² = -245
±4√5
2b² - 33 = 17
±5
2n² - 24 = 126
±5√3
x² - 2 = 62
±8
49v² = 81
±9/7
8x² - 10 = 430
±√55
2n² - 8 = 156
±√82