Question

Desenvolva os produtos notáveis!

A)( 3d³ - 4c )²
B) ( 2a + 4d )³
Me ajudem preciso para logo com o desenvolvimento junto!

Answer 1

$\large\boxed{\begin{array}{l}\tt A)\\\sf (3d^3-4c)^2=(3d^3)^2-2\cdot3d^3\cdot4c+(4c)^2\\\sf (3d^3-4c)^2=9d^6-24cd^3+16c^2\\\tt B)\\\sf (2a+4d)^3=(2a)^3+3\cdot(2a)^2\cdot4d+3\cdot2a\cdot(4d)^2+(4d)^3\\\sf (2a+4d)^3=8a^3+3\cdot4a^2\cdot4d+3\cdot2a\cdot16d^2+64d^3\\\sf (2a+4d)^3=8a^3+48a^2d+96ad^2+64d^3\end{array}}$