0
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(2x4) + (8x3) + 18x
8 + 24 + 18x
32 + 18x
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10x3 + 3x2
9x2 - 18x + 99(x2 - 2x + 1)==========
18x + 5
The vertex is (-9, -62).
x2 + 18x + 45 = (x + 15)(x + 3).