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Sagot :

Bonjour,

7x-14 = 7(x-2)

12t+6 = 3(4t+2)

a²+3a = a(a+3)

4b²-12 = 4(b²-3)

2t²-3t = t(2t-3)

4x²+20x = 4x(x+5)

-5x²+25x = -5x(x-5) ou 5x(-x+5)

-10-16a = -2(5+8a) ou 2(-5-8a)

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