Answer:
10a+b+9c
Step-by-step explanation:
first you have to join the like terms then you add them then you write the answer, I hope you understood
9c+5a+5a+b
9c+10a+b
10a+b+9c
Answer:
2,3
Step-by-step explanation:
(X-3)2=-4
X • 2- 3 •2 = -4
X•2 -6= -4
+6 +6
X•2 = -4+6
X •2= 2
/2 /2
X=1
need more information to answer
