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zavuch27 [327]
3 years ago
5

HELPPPPPP WILLLL GIVE EXTRAAA POINTSSS AND BRAINLIEST JUST FOR THE ANSWERS SAY THE WHOLE THING SO ITS EASIER

Mathematics
1 answer:
nadezda [96]3 years ago
6 0

<u>Here are your fill-ins:</u>

r = 1 is a zero, so (r-1) is a factor.

r = -1 is a zero, so (r+1) is a factor.

The remainders from synthetic division are 0 each time.

See the attachment for the synthetic division numbers.

_____

The reduced quadratic is ...

... x² -6x +13 = 0

Solving by completing the square, we have ...

... (x -3)² = -4

... x = 3 ± 2i

_____

The quadratic formula would tell you ...

... x = (-(-6) ± √((-6)² -4(1)(13)))/(2·1) = (6±√-16)/2 = 3±2i

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