Question

Desenvolva fatorando as expressões:

a) x²-y²=
b) a²-36=
c) m²-1=
d)4x²-9=

Answer 1

a) x²=y²
x=√y²
x=y

b) a²=36
a=√36
a=6

c)m²=1
m=√1
m=1

d)4x²=9
x²=9/4
x=√9/4
x=3/2