Mathematics
Mathematics, 10.09.2019 05:30, perezkeirax33K

Subtract 11b^2-4b+711b 2 −4b+711, b, start superscript, 2, end superscript, minus, 4, b, plus, 7 from b^2+8b-9b 2 +8b−9b, start superscript, 2, end superscript, plus, 8, b, minus, 9.

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Subtract 11b^2-4b+711b 2 −4b+711, b, start superscript, 2, end superscript, minus, 4, b, plus, 7 fro...

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