Question

answer 31st question ​

Answer 1

Answer:

x²-3x-28/x²-49=3/17

x²+7x-4x-28/(x)²-(7)²=3/17

x(x+7)-4(x+7)/(x-7)(x+7)=3/17

(x-4)(x+7)/(x-7)(x+7)=3/17

x-4/x-7 =3/17

3(x-7)=17(x-4)

3x-21=17x-68

17x-3x=68-21

14x=47

x=47/14

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