Respuesta:
1) =X5+2X4+2X3-5X2-6X-6
2) (3X3+2X2+2X+7)(2X2+X+1)
=(3X3+2X2+2X+7)(2X2+X+1)
=(3X3)(2X2)+(3X3)(X)+(3X3)(1)+(2X2)(2X2)+(2X2)(X)+(2X2)(1)+(2X)(2X2)+(2X)(X)+(2X)(1)+(7)(2X2)+(7)(X)+(7)(1)
=6X5+3X4+3X3+4X4+2X3+2X2+4X3+2X2+2X+14X2+7X+7
=6X5+7X4+9X3+18X2+9X+7
Explicación paso a paso:
1) (X3+X2-6)(X2+X+1)
=(X3+X2+-6)(X2+X+1)
=(X3)(X2)+(X3)(X)+(X3)(1)+(X2)(X2)+(X2)(X)+(X2)(1)+(-6)(X2)+(-6)(X)+(-6)(1)
=X5+X4+X3+X4+X3+X2-6X2-6X-6
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Respuesta:
1) =X5+2X4+2X3-5X2-6X-6
2) (3X3+2X2+2X+7)(2X2+X+1)
=(3X3+2X2+2X+7)(2X2+X+1)
=(3X3)(2X2)+(3X3)(X)+(3X3)(1)+(2X2)(2X2)+(2X2)(X)+(2X2)(1)+(2X)(2X2)+(2X)(X)+(2X)(1)+(7)(2X2)+(7)(X)+(7)(1)
=6X5+3X4+3X3+4X4+2X3+2X2+4X3+2X2+2X+14X2+7X+7
=6X5+7X4+9X3+18X2+9X+7
Explicación paso a paso:
1) (X3+X2-6)(X2+X+1)
=(X3+X2+-6)(X2+X+1)
=(X3)(X2)+(X3)(X)+(X3)(1)+(X2)(X2)+(X2)(X)+(X2)(1)+(-6)(X2)+(-6)(X)+(-6)(1)
=X5+X4+X3+X4+X3+X2-6X2-6X-6
2) (3X3+2X2+2X+7)(2X2+X+1)
=(3X3+2X2+2X+7)(2X2+X+1)
=(3X3)(2X2)+(3X3)(X)+(3X3)(1)+(2X2)(2X2)+(2X2)(X)+(2X2)(1)+(2X)(2X2)+(2X)(X)+(2X)(1)+(7)(2X2)+(7)(X)+(7)(1)
=6X5+3X4+3X3+4X4+2X3+2X2+4X3+2X2+2X+14X2+7X+7