The global spending on travel and tourism (in billions of dollars) can be described by the equationy = 1.48x- 25.23x + 416.91where x equals the

The global spending on travel and tourism (in billions of dollars) can be described by the equationy = 1.48x²- 25.23x + 416.91where x equals the number of years past 1990.+ Find the year after 1990 in which spending is projected to reach $1,968 billion. (Round your answer to the nearest year.)