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Mathematics
Kenny Shah
25 November, 05:55
Is this trinomial factorable r^2-15r+56
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Darrell Giles
25 November, 07:33
0
(r - 8) (r - 7)
Step-by-step explanation:
Consider the factors of the constant term (56) which sum to give the coefficient of the r - term ( - 15)
The factors are - 8 and - 7, hence
r² - 15r + 56 = (r - 8) (r - 7) ← in factored form
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