28-02-2017
Mathematics

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What is y = –3x2 + 12x – 21 in vertex form?

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anneliese12701 anneliese12701

28-02-2017

6990.2 do you understand cuase you have to multipky the three by the twenty one then take a way the plus and minus signs then move the whole equation on the other side of the equal sign

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