Question

a^2 +4a-62=0 , find a​

Answer 1

Answer:

$x = - 2 + \sqrt{66} \: and \: \: - 2 - \sqrt{66}$

Step-by-step explanation:

Use quadratic equation formula. i.e.

$x = - b + - \sqrt{b { }^{2} - 2ac } \: \div 2a$