If you mean: x^2 -4x +20 = 0 then it has no real solutions because its discriminant is less than zero.
This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.
The solutions are: x = 4, y = 2 and x = -4, y = -2
(x + 5)(x - 20) x + 5 = 0 x - 20 = 0 x = -5, 20
Replace y = x2, and use the quadratic formula to solve for y. This should give you two solutions for y. Then replace back, and solve each of the solutions for y, to get two solutions each for x.
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There are infinite possible solutions: For example: 5/20 + 5/20 = 10/20 3/20 + 7/20 = 10/20
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1+18 and 20-1?
x = 4 or x = -5
If you mean: 3x squared -11x -20 = 0 Then: x = -5 or x = 4/3
If you mean: x^2 -4x +20 = 0 then it has no real solutions because its discriminant is less than zero.
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This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.This has an infinite number of solutions. Take any two non-zero numbers; e.g. 5 and -3, and divide 20 by both to get the third number, e.g. 20 / 5 / (-3) = 4 / (-3) = -4/3.
The solutions are: x = 4, y = 2 and x = -4, y = -2
(x + 5)(x - 20) x + 5 = 0 x - 20 = 0 x = -5, 20