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Mathematics, 16.11.2020 21:30 samarahbrown6050

What is the first step when rewriting y = 3x2 + 9x – 18 in the form y = a(x – h)2 + k?

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What is the first step when rewriting y = 3x2 + 9x – 18 in the form y = a(x – h)2 + k?...
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