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Mathematics
Nia Williamson
25 September, 02:42
Factor as a product of two binomials x2-x-72
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Julius Quinn
25 September, 06:09
0
(x - 9) (x + 8)
Step-by-step explanation:
Given
x² - x - 72
Consider the factors of the constant term ( - 72) which sum to give the coefficient of the x - term ( - 1)
the factors are - 9 and + 8, since
- 9 * 8 = - 72 and - 9 + 8 = - 1, thus
x² - x - 72 = (x - 9) (x + 8)
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