( 0.5 X + ½) ( 2X – 0. 4) =


( 5p + 20 ) ( 10p – 30 ) =



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Respuestas

Respuesta dada por: florenciaantoniavv
1

1. (0,5 x +\frac{1}{2}x)(2x - 0,4)\\(\frac{1}{2}x + \frac{1}{2})(2x-\frac{2}{5})\\x^{2} - \frac{1}{5}x + x - \frac{1}{5}\\x^{2} - \frac{1}{5}x + \frac{5}{5}x - \frac{1}{5} \\x^{2} + \frac{4}{5}x - \frac{1}{5}

2. (50p + 20)(10p - 30)\\50p^{2} - 150p + 200p - 600\\50p^{2} + 50p - 600

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