Answer:
(x +5)^2 = -2
Step-by-step explanation:
We can subtract the constant to get ...
x^2 +10x = -27
Then add the square of half the x-coefficient:
x^2 +10x +5^2 = -27 +5^2
(x +5)^2 = -2 . . . . . . write as a square
Answer:
42.5
Step-by-step explanation:
When you do the bottom corners, it 2x2 divided 2 then you do 2x2, then 5x2 divided by 2 you do 3.5x9.0 when you add all of them up you get 42.5.
Answer:
A.
Step-by-step explanation:
If x=5
5 + 10 is less than 25.
If x=15
15+10 is equal to 25
If x =20
20+10 is greater than 25
The answer is 13 because you add.
Answer:
3 × (2 + 3 + 5)
Step-by-step explanation: