Answer:
240x is=f simplfied.
Step-by-step explanation:
rearrange the equation to where you set it equal to 0 by moving the 25 over.
n2 - 8n -9 = 0
now factor
(n-9)(n+1)
so n1 = 9
n2 = -1
Answer:
4
Step-by-step explanation:
Given
, substitute the given values into the expression
= 
= 
= 
= 4
Answer:
0
Step-by-step explanation:
x and x are same terms.
Answer:
an equation of the first degree in any number of variables.
Step-by-step explanation:
