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That doesn't factor neatly. Applying the quadratic equation, we find two real solutions:
(0 plus or minus 2 times the square root of 5) divided by 5.
x = 0.89442719
x = -0.89442719
If you had an x in there, it would come out nicer. 5x2 + x - 4 = (x + 1)(5x - 4)
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Fran4x2-17x+15 = (4x-5)(x-3) when factored with the help of the quadratic equation formula
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That doesn't factor neatly. Applying the quadratic equation, we find two imaginary solutions: (8 plus or minus 4i) divided by 5x = 1.6 + 0.8ix = 1.6 - 0.8iwhere i is the square root of negative one.
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(x - 4)(x + 9)
