polynomial equations

Algebra
Tutor: None Selected Time limit: 1 Day

Marina starts to solve the quadratic equation 3x 2 + 5x - 2 = 0.

3x 2 + 5x - 2 = 0 3 3 x 2 + 5 3 x = 2 3 x 2 + 5 3 x = 2 3

What value should Marina add to both sides of the equation to complete the square?

Jun 18th, 2015

Thank you for the opportunity to help you with your question!


3x2+5x-2=0

3x2-x+6x-2=0

x(3x-1)+2(3x-1)=0

x+2)(3x-1)=0

x=-2

or x=1/3

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 18th, 2015

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