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Giselle Price
Mathematics
27 June, 05:54
F (x) = - 3x+5x^2+8 has blank roots.
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Tiana Miranda
27 June, 06:20
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F (x) = - 3x+5x^2+8 has complex roots.
Step-by-step explanation:
number of roots?
ok.
f (x) = 5xx - 3x + 8 = 5xx + 5x - 8x + 8 (I was guessing what numbers would sum to - 3)
nope.
ok try discriminant: (-3) ^2 - 4*5 * 8 = 9 - 160 < 0
2 complex roots
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