0
Anonymous
X^2 + 7X + 18 = 0
try the discriminant
b^2 - 4ac
7^2 - 4(1)(18)
49 - 72 < 0
so, no real roots
and no factors of 18 add to 7
Wiki User
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7x + 6 = -18 7x = -24 x = -24/7 x = -3.428571 recurring (that is, -3.428571428571...)
1
-3
7x+y=6
-7x - 2y = -3