plase help me -Sdgaeth

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David M. | Math Tutor in Many Areas.Math Tutor in Many Areas.

(12/5x)-2x=3/10

Multiply each term by 10x to get rid of fractions

24-20x^2=3x

Set up quadratic equation

20x^2+3x-24=0

Solve using quadratic formula

x=(-3+/-sqt(3^2-4(20)(-24)))/(2*20)

=(-3+/-sqt(1929))/40

Let's multiply each term of given equation by 10 (just to get rid of denominators):

12 3

10 • ---- x - 10 • 2x = 10 • ----

5 10

24x - 20x = 3

4x = 3

OR

1 --- x - 2x = ---

5 10

7 3

---x - 2x = ----

5 10

7 3

10 • --- x - 10 • 2x = 10 • ----

5 10

14x - 20x = 3

- 6x = 3

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## Comments

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or 1 --- ?

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