A and D
To get x on one side you have to, in this case, add 3 to both sides. This is the addition property of equality
Expanded: 3x^2 + 17x +10
Simply: it’s already simplified
Answer:
112 $ is the original price
Step-by-step explanation:

you have to think that the original price multiplied by 0.75 (also known as 75%) gave the result of what he saves i.e 84 $. So we put up an equation with the original price multiplied by 75% which equals the 84 $ he saved on buying that item on sale
Answer:
Why???
Step-by-step explanation: