Question

in the quadratic equation x2+x-2 = 0, a+b+c=
​

Answer 1

Answer:

0

Step-by-step explanation:

given that,

x²+x-2=0

the general form of quadratic equation is ax²+bx+c=0

compare the both equations

then,

a=1, b=1, c=-2

given that,

a+b+c=?

a+b+c=1+1-2=2-2=0

∴a+b+c=0

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