The answers are x+1=4, -5+x=-2, and 2+x=5. The x equals 3.
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Answer:
A) 18+81=9(x^2+6x+9)
D)11+(x+3)^2
Step-by-step explanation:
To solve this by completing the square, we want to get it to the form of: (x + 3)^2 = 9
There are multiple ways to get there.
First we could divide by 9 to get.
x^2 + 6x = 0
Then, add 9 to both sides to get:
x^2 + 6x + 9 = 9
Factor the left side:
(x + 3)^2 = 9
Now, you can solve this equation by completing the square.
(*I think you have a typo in your answer choices)
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X= -2/5
SOLUTION
25x^2 + 20x + 4 = 0
(5x + 2)^2 = 0
5x + 2 = 0
x= -2/5
Hope this helps! :))
Answer:
d = 80,000 - c
Step-by-step explanation:
Amount Dan receives = d
The total profit of what Dan receives plus what Chris receives is 80,000, so we can write:
d + c = 80,000
To solve that as an expression of what Dan receives, we can subtract both sides by c
d = 80,000 - c
