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dangina [55]
3 years ago
14

Find the missing factor x^2-7x-18=(x-9)

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0
To factor the polynomial x² - 7x - 18, find two numbers whose sum is -7 and whose product is -18. Begin listing factors of -18, and those numbers' sums.

-2 × 9 = -18; -2 + 9 = 7
-9 × 2 = -18; -9 + 2 = -7

The two numbers are -9 and 2.

The factored polynomial is (x - 9)(x + 2)

Answer:
The missing factor is (x + 2)
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