Question

factories by splitting the middle term y²+7y-144​

Answer 1

${y }^{2} + 7y - 144 = 0 \\ {y}^{2} + 16y - 9y - 144 = 0 \\ y(y + 16) - 9(y + 16) = 0 \\ (y + 16)(y - 9) = 0 \\ y = - 16 \: and \: 9$

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Answer 2

Answer:

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