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26 June, 06:26

Match the items to the correct match

x = - 2, - 3

x = -

1

2

,

2

3

x = -

4

3

, 2

x = -

5

2

, - 2

x = 6, - 1

x =

1

2

, -

7

2

x =

1

3

,

1

4

X2 - 5x - 6 = 0

X2 - 5x + 6 = 0

3X2 - 2x - 8 = 0

2X2 + 9x + 10 = 0

4X2 + 12x - 7 = 0

6X2 - x - 2 = 0

12X2 - 7x + 1 = 0

+4
Answers (2)
  1. 26 June, 06:32
    0
    I couldn't read the answer pairs but I factored and solved the quadratic. I'm thinking that's what you were trying to do.
  2. 26 June, 06:47
    0
    The pairs correspond to the roots of the equations.

    I factored all the equations and placed the roots next to each one. Here you have the equations matched with their corresponding roots.

    x^2 - 5x - 6 = 0 = (x-6) (x+1) = > roots x=6, x=-1

    x^2 - 5x + 6 = 0 = (x-3) (x-2) = > roots x = 2, x=3

    3x^2 - 2x - 8 = 0 = (x-2) (3x+4) = > roots x = 2, x = - 4/3

    2x^2 + 9x + 10 = 0 = (x+2) (2x+5) = > roots x = - 2, x = - 5/2

    4x^2 + 12x - 7 = 0 = (2x-1) (2x+7) = > roots x = 1/2, x = - 7/2)

    6x^2 - x - 2 = 0 = (2x+1) (3x-2) = > roots x = - 1/2, x = 2/3

    12x^2 - 7x + 1 = 0 = (3x-1) (4x-1) = > roots x = 1/3, x = 1/4
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