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4r^2-28r=-49 , solve with the quadratic formula
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High School Teacher
We wish to solve the above problem.
Let us factorize the problem
solving with quadratic formula i.e. if `ax^2+bx+c=0` is quadratic equation then
a=4,b=-28 and c=49
Posted by aruv on July 28, 2013 at 7:08 AM (Answer #1)
Posted by user4825270 on July 28, 2013 at 8:59 AM (Answer #2)
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