Question

multiplicacion de polinomios ayuda!!!!


(3ײ+5×-3)(ײ+5×-4)
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Answer 1

Respuesta:

$3 {x}^{4} + 20 {x}^{3} + 10 {x}^{2} - 35x + 12$

Explicación paso a paso:

$(3 {x}^{2} + 5x - 3)( {x}^{2} + 5x - 4) \\ = 3 {x}^{2} ( {x}^{2} + 5x - 4) + 5x( {x}^{2} + 5x - 4) - 3( {x}^{2} + 5x - 4) \\ = 3 {x}^{4} + 15 {x}^{3} - 12 {x}^{2} + 5 {x}^{3} + 25 {x}^{2} - 20x - 3 {x}^{2} - 15x - 12 \\ = 3 {x}^{4} + 20 {x}^{3} + 10 {x}^{2} - 35x + 12$