Answer:
17.86057
Step-by-step explanation:
45
Every Triangle has 180 degrees.
x + 8x + 3x = 180
12x = 180
x = 180/12
x = 15
Angle K = 3x
K = 3 * 15
K = 45
Just post a pic of the page
(x – 3)(2x + 1)
Expand the terms
We get
2x² + x - 6x - 3
Final answer
2x² - 5x - 3
Hope this helps you.
