Answer:
-12x+18x²
Step-by-step explanation:
Given: 
Distributive property of multiplication under which a number is multiplied by the sum of two number, the first number can be distributed to both of those number.
∴ 
solving it by using distributive property
= 
= 
Opening parenthesis
= 
Hence, -12x+18
is the result after using distributive property.
2.2(5) - 4.33(1) >0
11 - 4.33 > 0
6.67 > 0
B)Yes
X+1=4x-2
+2 +2
x+3=4x
-x -x
3=3x
1=x