-7 and -12
xy=84
x+y = -19
x = -19 -y
(-19-y)y) = 84
-19y - y^2 = 84
y^2 + 19y + 84 = 0
(y+7)(y+12) = 0
y = -7 or -12
x = -12 or - 7
John M.
asked 11/08/20Someone please help I am so confused right now
-7 and -12
xy=84
x+y = -19
x = -19 -y
(-19-y)y) = 84
-19y - y^2 = 84
y^2 + 19y + 84 = 0
(y+7)(y+12) = 0
y = -7 or -12
x = -12 or - 7
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