If you mean: x2+8x-9 = 0 then the solutions are x = 1 and x = -9
x2 - 8x + 15
It will have two solutions because its a quadratic equation: x = -8.472135955 or x = 0.472135955
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2 this Domo
The equation is -x2 - 4 = 14 or -x2 = 18 which is the same as x2 = -18. That is the quadratic equation.
x2 - 8x + 15
It will have two solutions because its a quadratic equation: x = -8.472135955 or x = 0.472135955
x2 - 8x + 32 = 0 (assuming)you can factor or use the quadratic equation.I recommend the quadratic equation.
x2 + 6x = 16=> x2 + 6x - 16 = 0=> x2 + 8x -2x - 16 = 0=> (x+8)(x-2) = 0=> x = -8 or x = 2So, the solutions of the quadratic equation x2 + 6x = 16 are -8 and 2.
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x2 + 49 = 0
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x2 - 12x + 35
2 this Domo
x2+11x+11 = 7x+9 x2+11x-7x+11-9 = 0 x2+4x+2 = 0 The above quadratic equation can be solved by using the quadratic equation formula and it will have two solutions.
Use the quadratic equation formula to find the solutions to this equation.
The quadratic formula can be used to find the solutions of a quadratic equation - not a linear or cubic, or non-polynomial equation. The quadratic formula will always provide the solutions to a quadratic equation - whether the solutions are rational, real or complex numbers.