Question

cubo perfecto de un binomio 343x³+ 27y³​

Answer 1

Taller:

343x³+ 27y³​

Solución:

$=\left(7x\right)^3+\left(3y\right)^3$

$=\left(7x+3y\right)\left(7^2x^2-7\cdot \:3xy+3^2y^2\right)$

$=\left(7x+3y\right)\left(49x^2-21xy+9y^2\right)$

$Psicopatacolombiano2$