Minus m-n = 36 so 36 is your answer.
Here is the answer to the equation. The photo below is the work shown.
x^2-3x-18
Just multiply across which is
8*5 = 40
21*16 = 336
40/336 = 5/42
This is correct answer
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If a graph of a system of two equations shows two lines that coincide on a coordinate plan there would be C.)Infinitely many solutions
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Answer:
Have attached the picture for explanation...