Question

Решите пожалуйста)))

81-х^2=
(9-y)^2=
m^2-am=
ax-4ay=
8ab-2a=
x^2y-xm=
x^2*x^6-x^9*x^3 =
_____________
(а^6)^2-(a13)^3

(a^9)^16*a^3=
__________
a^8

a^6*a^12=
_______
a^9

Answer 1

1. (9-x)(9+x)
2.81-18y+y²
3.m(m-a)
4.a(x-4y)
5.2a(4b-1)
6.x(xy-m)
7.x¹²-x¹²=0