Question

(x+3)(x+2)-[(x+3)²-(x+6)(x-3) me ajude prfv

Answer 1

(x+3)(x+2)-[(x+3)²-(x+6)(x-3)=

x²+2x+3x+6-[x²+9-(x²-3x+6x-18)]=

x²+5x+6-[x²+9-x²+3x-6x+18]=

x²+5x+6-x²-9+x²-3x+6x-18=

x²+8x-21= <Resposta(se estiver no

fundamental )

x²+x=21/8 <Resposta(se estiver no

ensino médio )