Question 530407
f(x)=2x^2-11x+15



0=2x^2-11x+15



2x^2-11x+15=0



2x^2-6x-5x+15=0



2x(x-3)-5(x-3)=0



(2x-5)(x-3)=0



2x-5=0 or x-3=0



2x=5 or x=3



x=5/2 or x=3



So the zeros are 5/2 and 3



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