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6x2-24=0 6(x2-4)=0 x= {-2,2}
9
x = -3/5 and y = -24/5
6X2-6x4=24
(-4,6)
6x2-24=0 6(x2-4)=0 x= {-2,2}
n=6
9
7 + 24 ÷ (6x2) =7 + 24 ÷ 12 = 7 + 2 = 9
x = -3/5 and y = -24/5
6X2-6x4=24
24 = 42
-24
(-4,6)
x3 + 6x2 - 4x - 24 = (x + 6)(x2 - 4) = (x + 6)(x + 2)(x - 2)
That should say 6x+6y=-24
21 is the only solution of that equation.