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Stacy Stuart
Mathematics
16 May, 03:37
Factorise 2d^2-98 completely
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Craig Hughes
16 May, 03:42
0
2 (d^2-49)
2 (d-7) x (d+7)
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Adalynn Rogers
16 May, 04:00
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Hello,
2 (d + 7) (d - 7)
Step-by-step explanation:
2 d² - 98 = 2 (d² - 49) = 2 (d² - 7²)
a² - b² = (a + b) (a - b)
2 (d² - 7²) = 2 (d + 7) (d - 7)
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