Respuesta:
(9x² - 1).(-3m + x)
Explicación paso a paso:
[tex]9x^{3} -27mx^{2} -x+3m\\(9x^{3}-x)+(-27mx^{2} +3m)\\-3m(9x^{2} -1)+x(9x^{2} -1)\\(9x^{2} -1)(-3m+x)[/tex]
9x3-27mx2-x+3m
27-27mx ×2-x+3m
=27-54mx-x+3m
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Verified answer
Respuesta:
(9x² - 1).(-3m + x)
Explicación paso a paso:
[tex]9x^{3} -27mx^{2} -x+3m\\(9x^{3}-x)+(-27mx^{2} +3m)\\-3m(9x^{2} -1)+x(9x^{2} -1)\\(9x^{2} -1)(-3m+x)[/tex]
Respuesta:
9x3-27mx2-x+3m
27-27mx ×2-x+3m
=27-54mx-x+3m