Efectúe las siguientes multiplicaciones.
1.(—3xy) (6x²—2xy)
2.(3x²—x) (4x³+x²+1) (6x—1)
1.(—3xy) (6x²—2xy)
2.(3x²—x) (4x³+x²+1) (6x—1)
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Respuesta:
1. -18x²y+6x²y²
2. 72x6-18x5-5x⁴+19x³-9x²+x
Explicación paso a paso:
(3x²-x)(4x³+x²+1)(6x-1)
(12x5+3x⁴+3x²-4x⁴-x³-x)(6x-1)
(12x5-x⁴-x³+3x²-x)(6x-1)
72x6-6x5-6x⁴+18x³-6x²-12x5+x⁴+x³-3x²+x
72x6-18x5-5x⁴+19x³-9x²+x