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i forgot how i solved this and i need help understanding the second step done by lorne, thank u!

I Forgot How I Solved This And I Need Help Understanding The Second Step Done By Lorne Thank U class=

Sagot :

Given:

[tex](-3x^3+5x^2+4x-7)+(-6x^3+2x-3)[/tex]

The second step is writing the terms individually and the addition sign between them, so, we will use the property of the opposite addition

For example, instead of writing: (1 - a), we can write it as 1 + (-a)

So, the expression will be:

[tex](-3x^3)+5x^2+4x+(-7)+(-6x^3)+2x+(-3)[/tex]

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