Math, asked by sk228905373, 1 year ago

solve using quadratic eq. formula 1/x-4 - 1/x-7 =11/30.

Answers

Answered by azizalasha
2

Answer:

solved

Step-by-step explanation:

1/x-4 - 1/x-7 =11/30.

x-7 -x+4 = 11/30(x-4)(x-7) = -3

(x-4)(x-7)  = - 90/11

x² - 11x + 28 + 90/11 = 0

x² - 11x +  398/11 = 0

x = ( 11 ±√1713/11) ÷ 2 = (11±12.48)÷2

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