10x^2-7x^+1=0 -4x^2-6x+18=0 -15x^2+23x-4=0 2x^2+x-10=0 12x^2+5x-3=0 18x^2-21x+5=0 6x^2-13x-8=0

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To solve each quadratic equation, we can factor them or use the quadratic formula.

10x^2 - 7x + 1 = 0
This equation can be factored as:
(5x - 1)(2x - 1) = 0
So the solutions are:
x = 1/5 or x = 1/2

-4x^2 - 6x + 18 = 0
This equation can be factored as:
-2(2x^2 + 3x - 9) = 0
-2(x + 3)(2x - 3) = 0
So the solutions are:
x = -3 or x = 3/2

-15x^2 + 23x - 4 = 0
This equation can be factored as:
(-3x + 1)(5x - 4) = 0
So the solutions are:
x = 1/3 or x = 4/5

2x^2 + x - 10 = 0
This equation can be factored as:
(2x + 5)(x - 2) = 0
So the solutions are:
x = -5/2 or x = 2

12x^2 + 5x - 3 = 0
This equation can be factored as:
(4x - 1)(3x + 3) = 0
So the solutions are:
x = 1/4 or x = -1

18x^2 - 21x + 5 = 0
This equation can be factored as:
(2x - 1)(9x - 5) = 0
So the solutions are:
x = 1/2 or x = 5/9

6x^2 - 13x - 8 = 0
This equation can be factored as:
(3x + 1)(2x - 8) = 0
So the solutions are:
x = -1/3 or x = 4