Add: (-3x3 + 7x2 + 3x – 4) + (3x2 – 9x)
2 answers:
7-6x you are multiplying what’s in the () then comparing like term
-3x3=-9
7x2=14
==3x-4-9+14
==(3x+1)
3x2=6
=(-9x+6)
======3x-9x=-6x+7
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