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Mathematics
Trenton Whitehead
11 December, 10:14
What equation is equivalent to 2r^2-28r+38
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Adalyn Noble
11 December, 10:34
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2r² - 28r + 38 = 0
2 (r² - 14r) = - 38
2 (r² - 14r + 49) = - 38 + 2 (49)
2 (r - 7) ² = 60
(r - 7) ² = 30
the answer is 2 (r-7) ² = 60
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