The answer is <u>174 in2</u> I took the quiz K12 and got it correct. Good luck!
Answer:
I tried my best to explain it, hope it helps!
Step-by-step explanation:
Answer:
2. 
3. 
Step-by-step explanation:
We add like terms together to simplify
2. 3x²-4x²= -x² -2x+5x= 3x 6+9= 15 all equal to -x²+3x+15
3. 2x²-3x²= -x² 6x-7x= -x 8+1=9 all equal to -x²-x+9
Answer:
16n^2+40n+25
Step-by-step explanation: