(3x-1)^2-(3x-2) (3x+1) expansion using formula
tanishka36:
3-3x
hmmmm
okay tanishka
hmm
hmmmm
your fav sub Maths?
yes
wow
great
but im so poor in maths
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36
take this answer and be hopefull
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given: (3x - 1)^2 - (3x-2) (3x+1)
9x^2 -1 - 6x - ( 9x^2 + 3x - 6x -2)
-6x + 6x +1 - 3x + 2
3 - 3x ans
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