Answer:
-2x^2-5x+16
Step-by-step explanation:
Remove parenthesis:
-10x^2+9+8x^2-5x+7
Combine like terms:
-10x^2+8x^2-5x+9+7
= -2x^2-5x+9+7
=-2x^2-5x+16
Answer:
17
Step-by-step explanation:
The opposite of a negative number is a positive number!
Therefore, the opposite of -17 is 17 :)
Answer:
900.80
Step-by-step explanation:
900 + .8
900.80
Answer:
B
Explanation:
Exponents outside of the parentheses have to be distributed to all of the terms inside of the parentheses. So, B is equivalent because it is simply just the version that has the exponent distributed.
