I believe it is 25 x^2. So your answer would be 25.
Using the Pythagorean theorem:
x^2 + (x-2)^2 = (√20)^2
Simplify the right side:
x^2 + (x-2)^2 = 20
Subtract 20 from both sides:
x^2 + (x-2)^2 - 20 = 0
Factor:
(x-4)(x+2) = 0
Solve for each x:
x = 4 and x = -2
The side cant be a negative value, so the answer would be x = 4
The answer is B.
It has only one solution because it is a linear equation
A because inverse is the opposite order so instead of -3/1 or 5/1 it becomes 1/-3 and 1/5
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