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Luanoliveira52
@Luanoliveira52
December 2019
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3)Reduza os termos semelhantes:
a)3x^4 + 2x^3 - 4x^4 + 5x - 7x^2
b)1/3x^2 + x^2 - 3/2x^4 + 5x^4
c)1,2m^3 - 0,8m^3 + 10,4m^3
d)cd^2 + cd - c^2d - 3cd
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camponesa
Verified answer
3)
a) 3 x^4 + 2 x³ - 4 x^4 + 5 x - 7 x²
3 x^4 - 4 x^4 + 2 x ³ - 7 x² + 5 x
- x^4 - 7 x ² + 5 x
==========================================================
b) 1 3
---- x² + x² - ------ x^4 + 5 x ^4
3 2
x² + 3 x² 3 x^4 + 10 x^4
------------------ - -----------------------------
3 2
4
x ²
13 x^4
----------- -
-----------
3
2
=========================================================
c) 1,2 m³ - 0,8 m³ + 10,4 m³
0,4 m³ + 10,4 m³
10,8 m³
==========================================================
d) c d² + c d - c² d - 3 c d
c d² + c d - 3 c d - c² d
c d² - 2 c d - c² d
==========================================================
5 votes
Thanks 14
camponesa
Luaaaannnnnnn.............. Tá feito !!!
luanoliveira52
https://brainly.com.br/tarefa/9798033 <ajuda? kkkk
camponesa
Oieee....Obrigada por marcar <3 <3 <3
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Verified answer
3)a) 3 x^4 + 2 x³ - 4 x^4 + 5 x - 7 x²
3 x^4 - 4 x^4 + 2 x ³ - 7 x² + 5 x
- x^4 - 7 x ² + 5 x
==========================================================
b) 1 3
---- x² + x² - ------ x^4 + 5 x ^4
3 2
x² + 3 x² 3 x^4 + 10 x^4
------------------ - -----------------------------
3 2
4 x ² 13 x^4
----------- - -----------
3 2
=========================================================
c) 1,2 m³ - 0,8 m³ + 10,4 m³
0,4 m³ + 10,4 m³
10,8 m³
==========================================================
d) c d² + c d - c² d - 3 c d
c d² + c d - 3 c d - c² d
c d² - 2 c d - c² d
==========================================================