Answer:
-4.6
Step-by-step explanation:
-2.3-2.3=-4.6
When your not sure if the fraction is the same
Answer:

Step-by-step explanation:
The value in 
The value in 
The value in 
Do 2.63 x 3 to check ur answer
3x + 1 = (x-1)^2
3x + 1 = x^2 - 2x + 1
0 = x^2 -5x
0 = x(x-5)
x = 0,5
Hope this helps!
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