) – x² – 6x –18 = 0 *a = 1 b = 6 c = 18
a = 0 b = –6 c = –18
a = –1 b = 6 c = –18
a = –1 b = –6 c = –18
a = 1 b = –6 c = –18
b) 4x² + x – 9 = 0 *
a = 4 b = 0 c = –9
a = 4 b = 1 c = –9
a = 4 b = 1 c = 9
a = –4 b = –1 c = –9
a = 4 b = –1 c = –9
c) x² – 64 = 0 *
a = –1 b = –1 c = –64
a = –1 b = 0 c = –64
a = 1 b = 0 c = –64
a = 1 b = –64 c = 0
a = 2 b = 0 c = –64
d) 5x² +7x = 0 *
a = 5 b = 7 c = 0
a = 0 b = 5 c = 7
a = 5 b = 0 c = 7
a = –5 b = 0 c = –7
a = 5 b = –7 c = 1
e) –3x² +275 = 0 *
a = –3 b = –1 c = 275
a = –3 b = 275 c = 0
a = –2 b = 0 c = –275
a = –3 b = 0 c = –275
a = –3 b = 0 c = 275
a = 0 b = –6 c = –18
a = –1 b = 6 c = –18
a = –1 b = –6 c = –18
a = 1 b = –6 c = –18
b) 4x² + x – 9 = 0 *
a = 4 b = 0 c = –9
a = 4 b = 1 c = –9
a = 4 b = 1 c = 9
a = –4 b = –1 c = –9
a = 4 b = –1 c = –9
c) x² – 64 = 0 *
a = –1 b = –1 c = –64
a = –1 b = 0 c = –64
a = 1 b = 0 c = –64
a = 1 b = –64 c = 0
a = 2 b = 0 c = –64
d) 5x² +7x = 0 *
a = 5 b = 7 c = 0
a = 0 b = 5 c = 7
a = 5 b = 0 c = 7
a = –5 b = 0 c = –7
a = 5 b = –7 c = 1
e) –3x² +275 = 0 *
a = –3 b = –1 c = 275
a = –3 b = 275 c = 0
a = –2 b = 0 c = –275
a = –3 b = 0 c = –275
a = –3 b = 0 c = 275
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