trishanih
trishanih
15-01-2018
Mathematics
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Express (x-9)^2 as trinomial in standard form
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Аноним
Аноним
15-01-2018
[tex] {x}^{2} - 18x + 81[/tex]
Answer Link
Аноним
Аноним
15-01-2018
= (x - 9)(x - 9)
= x(x - 9) - 9(x - 9)
= x^2 - 9x - 9x + 81
= x^2 - 18x + 81 Answer
Answer Link
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