5-5.1
(3y4x9)(3y)(5x5)
45x14y5
s(y)= y-3
t (y) = 3y+4
(s-t)(y)
(s x t)(y)
(s+t)(y)
3x^2-5x-12
5
√x22
x11
5/12+3t
t=-4
y+3/y2-13y+42
7,6
(v4)4
v16
u(x)=x+1
w(x) =-x2-2
√9y10
3y5
u2-9u+14/u2-1
1,-1
x2-x-12/x2-9
-3,3
(6v)2
36v
p(y)=y2+7
q(y)=√x+8
4,6
3√1/343
1/7
56(x+3)(2x-7)/8(x+3)(2x-7)
7
14u2w6x7 and 3u4x5
42u4w6x7
(-2x2y4z)3(3x223)
-24x8y12z6
s(y)=-2y+1
t(y)=-2x2-2
9
4√16x8
2x2
15w+40/9w+24
5/3
2/5x+15 and 1/10x
10x(x+3)
9wx/36xy
w/4y
r(y)=4x-4
39,12
√v36
v18
v2+12v+35/v+7
v+5
-6=-9/X
x=3/2