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milenasouza455
@milenasouza455
July 2022
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calcule:
a) (5m³-m+1/4)+(m³/2-7m)
b) (x²/2-2x+1)+(x²/2+3/2)
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3478elc
Verified answer
a) (5m³-m+1/4)+(m³/2-7m)
(5m³+m³ - 7m - m + 1
2 4
10m³+m³ - 8m + 1
2 4
11m³ - 8m + 1
2 4
b) (x²/2-2x+1)+(x²/2+3/2)
x² - 2x + 1 + x² + 3
2 2 2
x² + x² - 2x + 1 + 3
2 2 2
2x² - 2x + 2 + 3
2 2
x² - 2x + 5
2
2 votes
Thanks 1
milenasouza455
muito obrigada
milenasouza455
vc pode me responder outras ?
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milenasouza455
February 2021 | 0 Respostas
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Verified answer
a) (5m³-m+1/4)+(m³/2-7m)
(5m³+m³ - 7m - m + 1
2 4
10m³+m³ - 8m + 1
2 4
11m³ - 8m + 1
2 4
b) (x²/2-2x+1)+(x²/2+3/2)
x² - 2x + 1 + x² + 3
2 2 2
x² + x² - 2x + 1 + 3
2 2 2
2x² - 2x + 2 + 3
2 2
x² - 2x + 5
2