Answer:
- 15x² + 7x + 1
Step-by-step explanation:
Given
2x² - 9 - 17x² + 10 + 7x ← collect like terms
= (2x² - 17x² ) + 7x + 1
= - 15x² + 7x + 1
Answer:
x/2 - 12
Step-by-step explanation:
let the number be x
half a number means x divide by 2. i.e x/2
when decreased by 12 means x/2 - 12
Answer:
580
Step-by-step explanation:
4*100=400
4*40=160
4*5=20
add them all up, you get 580
Hey There!
Answer:
D. 28
Explanation:
So all you have to do in your answer is evaluate:
-(-28)
= 28
= D. 28
Therefore, that is how you found your answer.
Hope this Helps!
