I think you mean, find the equation from the quadratic formula solution.
10x^2 -x +9 = 0
a=10 b=-1 c=9
x = --1 +-sq root(1 - 4*10*9) / 2*10
x = 1 +-sq root(1 -360) / 20
x = 1 +-sq root( -359) / 20
Answer:
this for points sorry
Step-by-step explanation:
Answer:
Its 11
Step-by-step explanation:
Jk its 2. Bro learn addition. XD
Answer:
18
Step-by-step explanation:
Look at all factors of 9 that are even; 18, 36, 54, 72, 90
Next divide 198 by those numbers and the only whole number is from 18.
9 x 2 = 18
198/18 = 11