Question

Efetue:

a) ( x + 7 )²

b) ( 5 + 2m )²

c) ( a + 3x )²

d) ( 5x² + 1 )²

e) ( m - 3 )²

f) ( 2a - 5 )²

g) ( 2 - x³ )²

pfv me ajudem respondendo certo

Answer 1

Resposta:

a)

${x}^{2} + 14x + 49$

b)

${4m}^{2} + 20m + 25$

c)

${a}^{2} + 6ax + 9 {x}^{2}$

d)

$25 {x}^{4} + 10 {x}^{2} + 1$

e)

${m}^{2} - 6m + 9$

f)

$a {4}^{2} - 20a + 25$

g)

$x \times (2 - {x}^{2} )$