Question

A)(3x²)²
b)(-6r).(-4r)
g)7x+3x-4x

Answer 1

Resposta:

A)

$\sf{(3x²)²}$

$\sf{ {3}^{2}x( {x}^{2} ) {}^{2} }$

$\sf{3 {}^{2} }$

$\sf{ 9x( {x}^{2} ) {}^{2} }$

$\rightarrow\boxed{\boxed{\sf{9 {x}^{4} }}}\checkmark$

b)

$\sf{(-6r).(-4r)}$

$\sf{6rx4r}$

$\rightarrow\boxed{\boxed{\sf{24 {r}^{2} }}}\checkmark$

g)

$\sf{7x+3x-4x}$

$\sf{(7 + 3 - 4)x}$

$\sf{7 + 3 - 4}$

$\rightarrow\boxed{\boxed{\sf{ 6x}}}\checkmark$

Explicação passo-a-passo:

(espero ter colaborado)