rauljrnunezrn rauljrnunezrn

24-01-2020
Mathematics

contestada

Add: (-3x3 + 7x2 + 3x – 4) + (3x2 – 9x)

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sahar40 sahar40

24-01-2020

7-6x you are multiplying what’s in the () then comparing like term

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elyseabougharrach elyseabougharrach

24-01-2020

-3x3=-9
7x2=14
==3x-4-9+14
==(3x+1)
3x2=6
=(-9x+6)
======3x-9x=-6x+7

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