pandapocky13 pandapocky13

29-10-2019
Mathematics

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3x^2 - x - 2 = 0.my homework wants me to solve this quadratic equation and show all the work

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zspirzspir zspirzspir

29-10-2019

Answer:

x = 1, -2/3

Step-by-step explanation:

1.

Use the Quadratic Formula.

-b ± √b^2 - 4(ac)

over 2a.

2.

Substitute a = 3, b = -1, and c = -2

1 ± √(-1)^2 - 4((3)(-2))

over 2(3)

3.

Simplify.

x = 1 ± 5 / 6

4.

Answer.

x = 1, -2/3

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