Answer:
11
Step-by-step explanation:
4+4+.1*(15+15)=11
Answer:
-2q+5
Step-by-step explanation:
-6q +7 -2 +4q
Combine like terms
-6q+4q+7-2
-2q+5
X would be 1392. All you do is the opposite: multiplication! 87*16=1392.1392/87=16. Hope this helps! ^_^
The Priority is always to parenthesis. It means that in both equations, begin by operating what's inside the parenthesis. Then Subtract what's left.
For the first one you get:



For the second one you get:



Which mean that The 2 equations are not equal, because

Hope this Helps! :D
Answer:
25(a-2)(a+2)
Step-by-step explanation:
25a^2 -100
We can factor out 25
25(a^2 -4)
a^2 -4 is the difference of squares a^2-b^2= (a-b)(a+b)
where a =a and b=2
a^2 -4 = (a-2)(a+2)
25a^2 -100 = 25(a-2)(a+2)