Answer:
−
k
2
+
3
4
Step-by-step explanation:
hope this helps
look at the picture
x2(x−8)(x−7)
Factor
Factor x2 out of x4−15x3+56x2.
x2(x2−15x+56)
no real solutions
The conditions for the discriminant are
• If b² - 4ac > 0 then 2 real and distinct roots
• If b² - 4ac = 0 then 2 real and equal roots
• If b² - 4ac < 0 then no real solutions
