Question

b)( 3x - ½) (x² + 4)
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Answer 1

Resposta:

$(3x-\frac{1}{2} )(x^{2} +4)=3x^{3} +12x-\frac{x^{2} }{2} -\frac{4}{2} \\ \\ mmc=2\\ \\ \frac{6x^{3} +24x-x^{2}-4 }{2} =\frac{6x^{3}-x^{2}+24x-4 }{2}$