what should be taken away from 3 a square minus 3 b + 6 to obtain 4 a square minus b + 2
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haeza:
step by step please
I'll tell you
then tell
first step -> 4a^2 - b+2 + 3a^2 - 3b + 6 = 7a^2 - 4b - 8
can you show by doing in your notebook
but we have to subtract so, second step -> 3 a^2 -3
sorry it's incomplete
but we have to subtract so, second step is 3a^2 - 3b + 6 -(7a^2 - 4b -8)
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