mrillyan mrillyan

03-11-2017
Mathematics

contestada

What are the solutions of 4x2 + x = -3? (5 points) and
x2 - 7x = -12 (5 points)

Respuesta :

Аноним Аноним

04-11-2017

4x^2 + x + 3 = 0

x = [-1 +/- sqrt (1^2 - 4 * 4 * 3)] / 8 = - 1 +/- sqrt ( --47) / 8

= ( - 1 +/- sqrt47i) / 8 = -0.125 + 0.857i , -0.125 - 0.857i

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garydesir1 garydesir1

04-11-2017

Hello there :)

Check the picture below for the answer.

Let me know if you have questions about my answer.

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Ver imagen garydesir1

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