Do 2x2 first which is 4 and then 5+12 which is 17 . 17/4 is 4.25
5 is the correct answer I believe
Answer: 4a2-20ab+12b2+4a+4
the 2 is squareing 4a and 12b
Step-by-step explanation:
expand move the parentheses
multiply the parentheses
collect like terms
Answer:
i cant see the link try reposting
Step-by-step explanation:
The perimeter of a triangle is found by adding all the three sides.
Let's call the third side "x"
So,
6+9+x = 23
15+x = 23
x = 8
