Answer:
-24
Step-by-step explanation:
substitute by 2
2²-12×2+q=0
q=-24
Answer:
its c
Step-by-step explanation:
i took it
Make sure that the subtraction is set up in the correct order. We are subtracting -7+2 FROM 2n-1.
(2n-1) - (-7n+2)
Distribute the negative.
(2n-1) + (7n-2)
Combine like terms.
9n - 3
The answer is B.