Amy K.

asked • 04/27/17

What is the sum of solutions to the equation? 3x^2 -7x -2= (x+1) ^2

i need help getting started

1 Expert Answer

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Carol E. answered • 04/27/17

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Hi Amy!
 
FOIL the right side
Combine like terms
Factor if possible
If not, use the quadratic formula to solve for the roots
Sum the roots
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Amy K.

Thank you Carol! Then it looks like it can't be factored so use −b+√b2−4ac/2 , −b−√b2−4ac/2a?
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04/27/17

Carol E.

Yes, you are on the right track!
 
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04/27/17

Amy K.

Thank you, I get confused on what sum of solutions means.
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04/27/17

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