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if x=-3 and x= 2/3 are solutions of quadratic equation mx²+7x+n=0,find the values of m&n.​

By Luna

if x=-3 and x= 2/3 are solutions of quadratic equation mx²+7x+n=0,find the values of m&n.​

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Luna

They had never been to Scotland until last year . She said

show that the
points X (2,-2) Y (-2, 1) and (5,2) are the vertices of a
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1 thought on “if x=-3 and x= 2/3 are solutions of quadratic equation mx²+7x+n=0,find the values of m&n.​”

  1. Answer:

    here’s ur answer:

    first,

    [tex]mx^{2} + 7x+ n = 0\\[/tex]

    Put x=-3 in given equation..

    [tex]m-3^{2} + 7(-3) + n=0\\[/tex]

    => 9m +n =21——————(1)

    Put x= 2/3 in given equation

    4m + 9n =0

    Now solve

    m= 3

    n= -6

    hope it works..

    Step-by-step explanation:

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