Question

Find the zero of the polynamial 2xsquare+5x-12 and verifie the relationship between zero and its coefficient

Answer 1

Answer:

2x^2+5x-12=0

2x^2+8x-3x-12=0

2x(x+4)-3(x+4)=0

x+4=0,2x-3=0

x=-4,2x=3

x=-4,x=3/2

α+ß=-b/a=-5/2

α*ß=c/a=-12/2=-6

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