Question

( x - 3 )²

Resolve esse produto notável

Answer 1

Resposta:

36

Explicação passo-a-passo:

espero ter ajudado vc

Answer 2

Resposta:

$(x - 3) {}^{2} = (x - 3) \sdot(x - 3) = \\ \\ = {x}^{1 + 1} - 3x - 3x - 3 \sdot( - 3) \\ \\ = \Large \boxed{ \green{{x}^{2} - 6x + 9}} \\ \\ ou\\\\(\purple{a}-\orange{b})^2=\purple{a}^2-2\purple{a}\orange{b}+\orange{b}^2\\\\(\purple{x}-\orange{3})^2=\purple{x}^2-2\sdot \purple{x}\sdot\orange{3}+\orange{3}^2\\\\=\Large\boxed{\green{x^2-6x+9}}\\\\ \Large \boxed{ \underline{ \blue{ \bf \: Bons \: Estudos!} \: 11/05/2021}}$