Question

relations between zeroes and coefficient of quadratic polynomial x2-4

Answer 1

ok...
so x×2-4=0
therefore.
x*2=4
and
x=+_2
hope it help
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plz..

Answer 2

x^2-4=0
(x)^2-(2)^2=0
(x+2)(x-2)=0
x=-2, x=2
(-2+2)=0=-b/a
(-2×2)=-4=c/a