solve quadratic equation x^2 x 4=0
for quadratic equation, it should be
x^2 -4 = 0
(x-4)(x+4) = 0 as we know that (a^2-b^2) = (a-b)(a+b)
if its x^2+4 = 0 ,
x^2 = -4
then the solution of this equation are
x = -2i, 2i
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?