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If: 16x-15-6x = 13 Then: 10x = 28 And: x = 2.8.
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x3 + 4x2 - 16x - 64 = (x + 4)(x + 4)(x - 4).
x2 - 16x + 68 = 5 (x - 8)2 + 4 = 5 (x - 8)2 = 1 x - 8 = 1 or -1 x = 9 or 7
16X - 2Y = 4- 2Y = - 16X + 4Y = 8X - 2---------------m(slope) = 8===========