Question

Find the roots of the quadric equation by applying quadric formula
X^2+4X+1
X Square +4X+1

Answer 1

Step-by-step explanation:

${x}^{2} + 4x + 1 \\ compairig \: equation \: with \: \\ {ax}^{2} + bx + c = 0 \\ a = 1 \: \: b = 4 \: \: c = 1 \\ {b}^{2} - 4ac = {4 }^{2} - 4 \times 1 \times 1 \\ {b}^{2} - 4ac = 64 \\ using \: formula \\ x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a} \\ x = \frac{ - 4 + - \sqrt{64} }{2 \times 1} \\ x= \frac{ - 4 + 8}{2} \: \: \: or \: \: x = \frac{ - 4 - 8}{2} \\ x = 2 \: \: or \: \: x = - 6$

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Answer 2

Step-by-step explanation:

Hope it will help you.....

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