Solve the following equation: 9x-14=22

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.