Answer: A
Step-by-step explanation: i hope this helps
I think your posting problem your missing an x after 28.
Therefore your answer is
C. (2x+7)(2x+7)
To check use distributive
2x(2x)+2x(7)+7(2x)+7(7)
4x^2+14x+14x+49
4x^2+28x+49
Answer:
0
Step-by-step explanation:
7 + 2 = 0
9 + x = 9
x has to be 0
Answer:
.53655265
Step-by-step explanation: