Answer:
what do u need help with
Step-by-step explanation:
X³ - 12x² + 35x
x(x² - 12x + 35)
x(x-5)(x-7)
Answer: 129.33 g
Step-by-step explanation:



Answer:
x²-8x-1=0
comparing above equation with ax²+bx+c=0
a=1
b=-8
c=-1
x=

=(--8+-√(64-4×1×-1)/2×1
=8+-√(64+4)/2
taking positive
x=(8+√68)/2=2(4+√17)/2=4+√17
taking negative
x=(8-√68)/2=2(4-√17)/2=4-√17