All pastes #2071412 Raw Edit

Miscellany

public text v1 · immutable
#2071412 ·published 2011-05-29 01:15 UTC
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(3x + 3)^2 = 3xy - 7
(3x + 3)(3x + 3) = 3xy - 7
9x^2 + 9x + 9x + 9 = 3xy - 7
9x^2 + 18x = 3xy - 7 - 9
9x^2 + 18x - 3xy = -16