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Sagot :

XENPEACE

[tex]=4x(3x-1)-(10x^{2} -5x)\newline=4\times3\times x\times x-4x\times 1-10x^{2} +5x\newline=12x^{2} -4x-10x^{2} +5x\newline=2x^{2} +x[/tex]

INEQUATION

Bonsoir,

développer :

4x(3x-1)-(10x²-5x)= 12x²-4x-10x²+5x= 2x²+x

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