Pouvez-vous m'aider à factoriser ses expression : A) 14x-21 / B) 25a+30 / C) 7x-21 / D) 4x(au carré)-3x / E) 18a+9b / F) 15a-3b

By: USER5594
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Pouvez-vous m'aider à factoriser ses expression : A) 14x-21 / B) 25a+30 / C) 7x-21 / D) 4x(au carré)-3x / E) 18a+9b / F) 15a-3b
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Answer (135)

Best Answer
(136)
a) 14x-21=7(2x-3)
b) 25a+30=5(5a+6)
c) 7x-21=7(x-3)
d) 4x²-3x=x(4x-3)
e) 18a+9b=9(2a+b)
f) 15a-3b=3(5a-b)
Answered on 27 Agustus 2025
(176)
a = 14x-21 = 7(x-3)

b = 25a+30 = 5(5a+6)

c = 7x-21 = 7(x-3)

d = 4x²-3x =x(4x-3)

e = 18a+9b = 9(2a+b)

f = 15a-3b = 3(5a-b)
Answered on 27 Agustus 2025

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