Question

49x² - 42xy + 9y²=
trinomio ao quadrado

Answer 1

Resposta:

Oie, Td Bom?!

\frac{7x - 3y}{49x {}^{2} - 42xy + 9y {}^{2} }

49x

2

−42xy+9y

2

7x−3y

\frac{7x - 3y}{7 {}^{2} x {}^{2} - 2 \: . \: 7x \: . \: 3y + 3 {}^{2} y {}^{2} }

7

2

x

2

−2.7x.3y+3

2

y

2

7x−3y

\frac{7x - 3y}{(7x) {}^{2} - 2 \: . \: 7x \: . \: 3y + (3y) {}^{2} }

(7x)

2

−2.7x.3y+(3y)

2

7x−3y

\frac{7x - 3y}{(7x - 3y) {}^{2} }

(7x−3y)

2

7x−3y

\frac{1}{7x - 3y}

7x−3y

1