16-y^4
4^2-(y^2)^2
(4-y^2)(4+y^2)
(2-y)(2+y)(4+y^2)
<span>(a + b)2 = a2 + 2ab + b2
(a - b)2 = a2 - 2ab + b2
a2 - b2 = (a - b) (a+b)
(a + b)3 = a3 + 3a2b + 3ab2 + b3
(a - b)3 = a3 - 3a2b + 3ab2 - b3
a3 + b3 = (a + b) (a2 - ab + b2)
a3 - b3 = (a - b) (a2 + ab + b2)</span>
Точка пересечения (43/6;0)
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