Question

solve this plz
question in the pic​

Answer 1

Answer:

1/x+4 − 1/x−7 = 11/30 wherex ≠ -4, 7

Let us take LCM on both the side we get

x−7−x−4/(x+4)(x−7) = 11/30 −11/(x+4)(x−7) = 11/30

By doing cross multiplication we get

(x+4)(x−7)=−30×11/11 (x+4)(x−7)= −30

Let us solve the equation we get

x2 – 7x + 4x – 28 = -30

x2 – 3x + 2 = 0

By splitting the middle term above equation can be written as

x2 – 2x – x + 2 = 0

x(x – 2)-1 (x – 2) = 0

(x – 2)(x – 1) = 0

x = 2, x = 1

∴ the solution of the expression is x = 2, 1

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Answer 2

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