That would be the commutative property
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Answer:
x^2 -4x +2 = 0
Step-by-step explanation:
The other root is the conjugate of the given one, so is 2-√2. The quadratic equation in factored form is then ...
(x -2-√2)(x -2+√2) = 0
Expanding this, we get ...
(x -2)^2 -(√2)^2 = 0
x^2 -4x +4 -2 = 0
x^2 -4x +2 = 0 . . . . the equation you're looking for
Answer:
x-5y
Step-by-step explanation:
Answer:
35/72 
Step-by-step explanation:
Rectangle Formula: 
Switch the variables with the numbers given:

Multiply the top and bottom:
5*7 = 35
9*8 = 72
35/72 = Area