Answer:
I think the answer is

Step-by-step explanation:
Reason :

Therefore

Answer:
-13/2
Step-by-step explanation:
-13/2 is the answer
Answer:
The polynomial f(x) = x^2 - 8x - 20
Answer:
x = -25
Step-by-step explanation:
25 = -7(x + 5) + 5x
25 = -7x - 25 + 5x
5x - 7x - 25 = 25
5x - 7x - 25 + 25 = 25 + 25
5x - 7x = 50
-2x = 50
-2x/-2 = 50/-2
x = -25
672 is the answer to this question