Question 140500
find the roots of each quadratic equation by factoring.
1. x^2-6x =0   ;   i got 2,4

x(x-6)=0
x = 0 or x=6
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2.x^2-9/4x-25 = 0;  i got 4x3-100x-9/4x
The fraction is zero when the numerator is zero.
x^2-9 = 0
(x-3)(x+3)=0
x = 3 or x = -3
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Cheers,
Stan H.