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13-09-2020
Mathematics

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someone help me answer this plzzzzz

someone help me answer this plzzzzz class=

Respuesta :

devishri1977 devishri1977

13-09-2020

Answer:

Step-by-step explanation:

r = (x co-efficient ÷ 2)²

r = (6/2)² = 3²

r = 9

s = - 2r

s = -2*9 = -18

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