Question

7x²+22x+3
please write correct answer ​

Answer 1

Answer:

$let \: zero \: of \: the \: polynomial \: be \: x \\ p(x) = 7 {x}^{2} + 22x + 3 = 0 \\ using \: quadratic \: formula \\ x = \frac{ - 22 \frac{ + }{} \sqrt{484 - 84} }{14} \\ \\ x = \frac{ - 22 \frac{ + }{}20 }{14} \\ \\ x = \frac{ - 2}{14} = - \frac{1}{7} \: and \: \: - \frac{42}{14} = - 3 \\ \\ using \: the \: splitting \: the \: middle \: term \: method \\7 {x}^{2} + 21x + x + 3 = 0\\ = >7 x(x + 3) + (x + 3) \\ = > (7x + 1) (x + 3) = 0 \\ = > x = - \frac{1}{7} and - 3$