If ax*x + bx + c = 0, then what is x?
well, that is just the standard quadratic formula:
x = (-b ± √(b^2 - 4ac) )/(2a)
(memorize it to the point that if somebody wakes you at 4:00 am, you can recite it
and be back asleep in 20 seconds. )
x = (-b ± √(b^2 - 4ac) )/(2a)
(memorize it to the point that if somebody wakes you at 4:00 am, you can recite it
and be back asleep in 20 seconds. )