Réduire chaque expression : A = 3-(2t+3) B = 5t+(-3t+5) C = 3t+(2t²+9)-(-9t+t²) D = 3p-(2p²-5p+3)+(5p-6p²+9p)
Mathématiques
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Question
Réduire chaque expression :
A = 3-(2t+3)
B = 5t+(-3t+5)
C = 3t+(2t²+9)-(-9t+t²)
D = 3p-(2p²-5p+3)+(5p-6p²+9p)
A = 3-(2t+3)
B = 5t+(-3t+5)
C = 3t+(2t²+9)-(-9t+t²)
D = 3p-(2p²-5p+3)+(5p-6p²+9p)
1 Réponse
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1. Réponse anylor
A = 3-(2t+3)
= 3 -2t -3
= - 2t
B = 5t+(-3t+5)
= 5t -3t +5
= 2t +5
C = 3t+(2t²+9)-(-9t+t²)
= 3t +2t² +9 +9t -t²
= t² +12t +9
D = 3p-(2p²-5p+3)+(5p-6p²+9p)
= 3p -2p² +5p -3 +5p -6p² +9p
= - 8p² + 22p -3