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(x - 5)(x + 1)2

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Q: Which are the roots of X3minus3x2minus9xminus5 equals 0?
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What is the number and type of roots of the equation x2-4x-32 equals 0?

There are 2 roots to the equation x2-4x-32 equals 0; factored it is (x-8)(x+4); therefore the roots are 8 & -4.


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Which equation has imaginary roots a.x2-1 equals 0 b.x2-2 equals 0 c.x2 plus x plus 1 equals 0 d.x2-x-1 equals 0?

To find which has imaginary roots, use the discriminant of the quadratic formula (b2 - 4ac) and see if it's less than 0. (The quadratic formula corresponds to general form of a quadratic equation, y = ax2 + bx + c)A) x2 - 1 = 0= 0 - 4(1)(-1) = 4Therefore, the roots are not imaginary.B) x2 - 2 = 0= 0 - 4(1)(-2) = 8Therefore, the roots are not imaginary.C) x2 + x + 1 = 0= 1 - 4(1)(1) = -3Therefore, the roots are imaginary.D) x2 - x - 1 = 0= 1 - 4(1)(-1) = 5Therefore, the roots are not imaginary.The equation x2 + x + 1 = 0 has imaginary roots.


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x2 + 11x + 30 = 0 (x + 5)(x + 6) = 0 so the roots are -5 and -6


What is the nature of the roots of the equation 2xsquared-6x plus 2 equals 0?

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What roots of the quadratic equation are equivalent to xx-x-12 equals 0?

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