Escrever a forma fatorada do trinômio do 2º grau

RenatoRodrigues468332 6 views 8 slides Sep 27, 2024

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Forma fatorada do trinômio do 2º grau

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Language: en

Added: Sep 27, 2024

Slides: 8 pages

x² -2x-5x-10=0 -2x-5x

x² -2x-5x+10=0 { { ( x² -2x) ( -5x+10) -(5 x-10) ( x² -2x)-(5x-10)=0

( x² -2x)-(5x-10)=0 { { -5(x-2) x(x-2) { (x-5)(x-2)

x² -3x+2=0 ∆=(-3)²-4.1.2 ∆=9-8 ∆=1

x² -5x-6=0 x² + x-6 x-6 =0 x(x-1)- 6 (x+1)=0 (x- 6) (x+1)

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