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Sagot :

HAJARELHASSAK

E=(3x+2)×(3x+2)-100+(3x+12)(2x_1)

=9x2+6x+6x+4-100+6x-3x+24x-12

{E=9x2+39x-108}

اتمنى اكون ساعدتك

ALEXIS94E

[tex]E = (3x+2)(3x+2)-100+(3x+12)(2x-1)[/tex]

[tex]E=9x^{2} +12x+4-100+6x^{2} -3x+24-12[/tex]

[tex]E=15x^{2} +33x-108[/tex]

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