Question

(3a-5)2=
(5-4a)2=
(3x -2)2=
(3a2-1)2=

Answer 1

(3a-5)2=0
6a-10=0
6a=10
a=10/6
a=5/3

(5-4a)2=
10-8a=0
-8a=-10
a=10/8
a=5/4

(3x -2)2=
6x-4=0
6x=4
x=4/6
x=2/3

(3a2-1)2=
6a²-2=0
6a²=2
a²=2/6
a²=1/3
a=1/√3