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emmasim [6.3K]
3 years ago
8

My last math question! Plz help if you can and it asks for the elimination method. thank you!

Mathematics
1 answer:
Galina-37 [17]3 years ago
6 0
I've found a Programm that calculates it for you...
x=0.6666667
I don't know if that's correct or helpful but here you go :)
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

To write any polynomial in standard form, you look at the degree of each term. You then write each term in order of degree, from highest to lowest, left to write.

To add the polynomials you need to:

Remove parentheses

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3+2x^2-3x-1+4-x-x^3

Group like terms

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3-x^3+2x^2-3x-x-1+4

Add similar elements

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-3x-x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x+3

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3 years ago
Read 2 more answers
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