Answer: Zero product property
n = 0
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Explanation:
The zero product property is the idea that if A*B = 0, then either A = 0 or B = 0 or both are zero.
This is because we cannot multiply nonzero values to get a result of zero.
In the equation 5*n*2 = 0, we have 5 and 2 as nonzero, which forces the variable n to be zero. So this is why n = 0 is the only solution here.
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Extra info:
The zero product property is often used in factoring. For example, x^2+5x+6 = 0 factors to (x+3)(x+2) = 0. Then we set the pieces equal to zero and solve for x
x+3 = 0 leads to x = -3
x+2 = 0 leads to x = -2
