3 years ago

HELP ASAP 15 POINTS AWARDED

Mathematics

1 answer:

Lapatulllka [165]3 years ago

8 0

Use a calculator................

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RSB [31]

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Step-by-step explanation:

3x² - 3x + 7 = 0

a = 3 ; b = -3 and c = 7

D = b² - 4ac = (-3)² - 4*3*7

D = 9 - 84 = - 75

D = 75i²

√D = √75i² = $\sqrt{5*5*3 * i * i}= 5i\sqrt{3}$

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