SOLUTION: Last question: The sum of the solutions to {{{49x^2-25=?}}} is 10/7, 0, -10/7, or 5/7? please help on this last question!! thank you. =)

Question 109752This question is from textbook algebra2 with trigonometry
: Last question: The sum of the solutions to AMP Parsing Error of [49x^2-25=?]: Invalid expression '?': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 203. . is 10/7, 0, -10/7, or 5/7? please help on this last question!! thank you. =) This question is from textbook algebra2 with trigonometry

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Last question: The sum of the solutions to 49x^2-25=0 is 10/7, 0, -10/7, or 5/7?
-------------------------
49x^2-25 = 0
(7x-5)(7x+5)=0
x = 5/7 or x = -5/7
---------------------------
The sum of these solutions is zero.
====================================
Cheers,
Stan H.

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