Step-by-step explanation:
(3x2 - 2x - 4) (2x2 + x - 3)
6x4 + 3x3 - 9x2 - 4x3 - 2x2 + 6x - 8x2 - 4x + 12
Solving like terms
6x4 - x3 - 19x2 + 2x + 12
<span>55832 + 11.25 x = 25.25 x
</span>55832 = 14 x
x = 3988 books
Answer:
lines are not perpendicular or parallel
