3) Efetue os seguintes polinômios : a) 2a - 3b + 5c +3b -2a -4c+db) 3a.(- 2ab ) c) ( x +1 0 . ( x-1 .... Pergunta de ideia deDariinhaaaa

Dariinhaaaa @Dariinhaaaa

March 2022 1 38 Report

3) Efetue os seguintes polinômios :

a) 2a - 3b + 5c +3b -2a -4c+d
b) 3a.(- 2ab )
c) ( x +1 0 . ( x-1 )
d) ( a - b ) 2

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korvo Olá Darinha,

$2a-3b+5c+3b-2a-4c+d=2a-2a-3b+3b+5c-4c+d\\\\
\large\boxed{\boxed{2a-3b+5c+3b-2a-4c+d=c+d}}.\\.$

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$\large\boxed{\boxed{3a(-2ab)=-6a^2b}}.\\.$

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$\large\boxed{\boxed{(x+1)(x-1)=x^2-1}}.\\.$

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$(a-b)^2=a^2-2\cdot a\cdot b+(-b)^2\\\\
\large\boxed{\boxed{(a-b)^2=a^2-2ab+b^2}}.\\.$

Tenha ótimos estudos =))

3 votes Thanks 5

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