Respuesta:
[tex](4 {x}^{2} + 3x)( - 5 {x}^{2} + 2x)[/tex]
[tex] = (4 {x}^{2} )( - 5 {x}^{2} ) + (4 {x}^{2} )( 2x ) + (3x)( - 5 {x}^{2} ) + (3x)(2x)[/tex]
Se multiplican los números y se suman los exponentes:
[tex] = - 20 {x}^{4} + 8 {x}^{ 3} - 15 {x}^{3} + 6{x}^{2} [/tex]
[tex] = - 20 {x}^{4} - 7 {x}^{3} + 6 {x}^{2} [/tex]
Explicación paso a paso:
Espero te ayude, feliz tarde :)
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Respuesta:
[tex](4 {x}^{2} + 3x)( - 5 {x}^{2} + 2x)[/tex]
[tex] = (4 {x}^{2} )( - 5 {x}^{2} ) + (4 {x}^{2} )( 2x ) + (3x)( - 5 {x}^{2} ) + (3x)(2x)[/tex]
Se multiplican los números y se suman los exponentes:
[tex] = - 20 {x}^{4} + 8 {x}^{ 3} - 15 {x}^{3} + 6{x}^{2} [/tex]
[tex] = - 20 {x}^{4} - 7 {x}^{3} + 6 {x}^{2} [/tex]
Explicación paso a paso:
Espero te ayude, feliz tarde :)