Question 1003445
Find two consecutive positive odd integers whose product is 195
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Hint:  {{{sqrt(195)}}} =~ 14
--> 13 & 15
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the hard way:
x*(x+2) = 195
{{{x^2 + 2x - 195 = 0}}}
Now you have to factor 195, which is where we started.
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Not as hard way:
(x-1)*(x+1) = 195
{{{x^2 - 1 = 195}}}
{{{x^2 = 196}}}  same as the hint