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Sagot :

Réponse:

10

a. ((3x +2) + x). ((3x+2) - x)

(3x +2 +x). (3x+2 -x)

(4x+2). (2x+2)

b. t²-22t +121

t. 11

(t-11)

c.((8x +5) - (x +1)). ((8c +5) + (x+1))

(8x +5 - x -1). (8x +5 + x + 1)

(7x + 4). (9x + 6)

d. 4u² + 400u +10 000

2u. 100

(2u+100)

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