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which of the following is the sum of the roots of x2 + 3x - 27 = 0?

Sagot :

Step-by-step explanation:

I don't understand your question because you don't have any formula

coefficients :

a=1

b=3

c=-27

x= -b± √b²-4ac /2a = formula

= -(3)± √(3)²-4(1)(-27) /2(1)

= -3± √ 9-4 (-27) /2

= -3± √9 + 108 /2

= -3± √117 /2

= -3± √9x13 /2

= -3± 3√13 /2

that's my answer although I'm not sure with my answer because you don't have a formula

if that's the formula above then that's it