Question

help!! assunto novo não entendo nadinhaaaaa ​

Answer 1

a)

$- 20{x}^{3}$

b)

$- 5{ x}^{2}$

c)

$20 {x}^{2}$

d)

$- 6 {n}^{2}$

e)

$- 18 {x}^{4}$

f)

$- 10 {y}^{2}$

g)

$20 {x}^{5}$

h)

$- 14 yx$

i)

$- 5xy$

j)

$- 15xy$

k)

$5 {x}^{2} y$