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Kaela Mohr
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∙ 3y agoThis answer is:
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∙ 9y agoFor future reference, this can be done with simultaneous equations.
x + y = -15
xy=225
therefore x=-y-15
sub all in for x
y(-y-15) = 225
-y^2 - 15y -225=0
y^2 + 15y + 225 = 0
Unfortunately the solution to this is an imaginary number, i.e. it doesn't exist
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