salut
N(x)= 5x²-7x => x(5x-7)
Q(x)= 3x+3x² => 3x(1+x)
S(x)= (3x-4)(2x+1)+(3x-4)(5x-6)
=> (3x-4)(2x+1+5x-6)
=> (3x-4)(7x-5)
P(x)= (10x+15) => 5(2x+3)
R(x)= expression pas complète
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salut
N(x)= 5x²-7x => x(5x-7)
Q(x)= 3x+3x² => 3x(1+x)
S(x)= (3x-4)(2x+1)+(3x-4)(5x-6)
=> (3x-4)(2x+1+5x-6)
=> (3x-4)(7x-5)
P(x)= (10x+15) => 5(2x+3)
R(x)= expression pas complète