Question

sum of the zeros of the polynomial 2 x square - 9 - 3 x is

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Answer 1

Answer:

3 and -3/2

Step-by-step explanation:

2x^2-3x-9=0

2x^2-6x+3x-9=0

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

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

2x+3=0 ; x-3=0

2x=-3 ; x=3

x=-3/2

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Answer 2

Answer:

3/2

Step-by-step explanation:

2x²-9-3x=0

i.e., 2x²-3x-9=0

Comparing the given polynomial with ax²+bx+c=0,we get

a=2, b=-3 and c=-9

Sum of zeroes=-b/a=3/2

Product of zeroes=c/a=-9/2