Question

x power 2+4x+5=0 quadratic equation?​

Answer 1

The exponent (power) of x here is 1 which is in term 4x

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Answer 2

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${x}^{2} + 4x + 5 = 0 \\ here \\ the \: coefficient \: of \: {x}^{2} = 1 \\ coeffiecient \: of \: x = 4 \\ and \: the \:last \: coefficient \: = 5 \\ so \: \\ according \: to \: quadric \: equation \\ = a {x}^{2} + bx + c \\ so \: we \: can \: compair \\ a = 1 \\ b = 4 \\ and \: \: c = 5 \\ the \: quadric \: formula \\ x = \frac{ - b \frac{ + }{} \sqrt{ {b}^{2} - 4ac} }{2 \times a} \\ x = \frac{ - 4 \frac{ + }{} \sqrt{ {4}^{2} - 4 \times 1 \times 5} }{2 \times 1} \\ = > x = \frac{ - 4 \frac{ + }{} \sqrt{16 - 20} }{2} \\ we \: get \: two \: values \: like \\ x = \frac{ - 4 + \sqrt{ - 4} }{2} \\ and \: \: \: x = \frac{ - 4 - \sqrt{ - 4} }{2}$

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