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Restate the question: Factor the polynomial x2 + 7x + 10.

You look for two numbers which multiply to make 10 and add to make 7. They are 5 and 2. Now put them into the two factors: (x + 5)(x + 2).

Check your factors by multiplying using 'FOIL': x2 + 2x + 5x + 10 = x2 + 7x + 10. Check!

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12y ago
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Q: What is the factor of the polynomial in descending order x2 plus 7x plus 10?
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