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2 years ago

Please help me do this

Mathematics

1 answer:

Sever21 [200]2 years ago

7 0

Answer:

Step-by-step explanation:

(3x + 1)/x = 1/(x -3) Cross multiply

(3x + 1)(x - 3) = x Remove the brackets. Use FOIL

f:3x*x = 3x^2

o:3x*(-3) = -9x

i:1*x = x

L : 1 * - 3 = -3

FOIL: 3x^2 -9x +x - 3

FOIL: 3x^2 - 8x - 3

3x^2 - 8x - 3 = x Subtract x from both sides

3x^2 - 8x -x - 3 = 0 Combine

3x^2 - 9x - 3 = 0 Factor

It's rather ugly. I had to use the quadratic equation

a = 3

b = - 9

c = - 3

x1 = 3.3

x2 = - 0.3

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