Question

if x = 2/3 and x=-3 are the salution
of quadratic equation ax²+ 7x +b than
the value of a+b​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

-3

Step-by-step explanation:

sum of the zeros = -b/a

-7/a= 2/3-3

-7/a= (2-9)/3

-7/a=-7/3

so a=3

product of the zeros = c/a

b/3=(2/3)*(-3)

b/3=-2

b=-2*3

b=-6

so a+b= 3-6=-3