Question

Calculati:
$a)7x - x$
$b)(3 {x}^{2} ) \times ( - 5 {x}^{3})$
$c)( - 9 {x}^{3}) \div( - 3 {x}^{5})$
$d)( - 6 {x}^{5} {)}^{2}$

Answer 1

a) 6x

b) -15x^5

c) 3x^-2

d) 36x^10

Answer 2

a)6x
b)-15x⁵
c)3x⁻²
d)36x¹⁰