Add three more negative tiles remove the zero pairs add three more positive tiles
remove three positive tiles
–15) + 4 + (–7) = (–7) + (–15) + (–4)
(–15) + 4 + (–7) = 7 + 15 + (–4)
(–15) + 4 + (–7) = 4 + (–15) + (–7)
(–15) + 4 + (–7) = 4 + 15 + 7

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Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

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