Question 4
4(2x +5)
What you are going to do is called the distributive property.
First you are going to multiply the 4 and the 2 and you would get 8x.
Second you are going to multiply the 4 and the 5 and you would get 20.
Answer is 8x+20.
Sorry don't know about the other following answers
Answer:
Yes
Step-by-step explanation:
ab = ba when a = 2 and b = 3
(2)(3) = (3)(2)
6 = 6
Best of Luck!
Answer:
3.42
Step-by-step explanation:
Subtract the right side and you have
x² -10x -6 -2x -1 = 0
x² -12x -7 = 0
This corresponds to the selection ...
C. x² -12x - 7 = 0
Yes. It is equivalent to 3. Combine like terms