Answer: (x-2)(x-2)
Step-by-step explanation:
What two numbers multiplied by each other would equal 4, but if added equals -4?
-2 and -2
-2 x -2 = 4
-2 + -2 = -4
Answer:
Took a lot of thinking but y= 840
Step-by-step explanation:
Well a Quadralateral is 360 degrees so you add all em up and get 230 so 360-230= 130 degrees
Answer:
x = -9, y =3
Step-by-step explanation:
x + 2y = -3
x - y = -12
Subtract to two equations to eliminate x
x + 2y = -3
-x + y = 12
---------------------
3y = 9
Divide each side by 3
3y/3 = 9/3
y = 3
Now we can find x
x-y =-12
x - 3 = -12
Add 3 to each side
x-3+3 = -12+3
x = -9
Use the basic formula v=nr^2h to get the answers
180n or 565.2
Hope this helps! :D