Respuesta :
[tex]\bf (x^4+x^3+x^2+x)~~-~~(x^4-x^3-x^2-x)
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(x^4+x^3+x^2+x)~~~~-x^4+x^3+x^2+x
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x^4+x^3+x^2+x~~-~~x^4+x^3+x^2+x
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x^4+x^3+x^2+x-x^4+x^3+x^2+x
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\underline{x^4-x^4}+x^3+x^3+x^2+x^2+x+x\implies 2x^3+2x^2+2x[/tex]
Answer:
The answe is B i just too the test
Step-by-step explanation:
2X^3+2X
