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-x2 + x + 42 = -[x2 - x - 42] = -[x2 - 7x + 6x - 42] = -[x*(x - 7) + 6*(x - 7)]

= -(x - 7)*(x + 6)

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12y ago

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More answers

-((x + 6)(x - 7))

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9y ago
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Q: How do you factor -x2 plus x plus 42?
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