Curso de linguagem matemática – Professor Renato Tião
Resolver as equações a seguir, no universo dos números reais.
Primeiro bloco:
Quarto bloco:
a) 2x − 6 = 0
a) 2x2 + 5x + 6 = x2 + x(x+1)
b) 3x + 8 = 0
c) −2x + 5 = 0
b)
d) −3x − 3 = 0
e) 0x + 7 = 0
f) 0x = 0
g) x2 − 7x = 0
h) x2 + 9x = 0
i) x2 − 25 = 0
j) x2 + 16 = 0
k) 4x – 8 = 0
l) –5x + 20 = 0
m) 10x + 2 = 0
n) –x – 5 = 0
o) 3(x + 5) = 3x + 2
p) 5(6 – 4x) + 2(10x – 15) = 0
Segundo bloco:
a) x2 + 9 = 0
b) x2 = 4x
c ) x2 – 7 = 0
d ) x2 – 1 = 0
e) x2 + πx = 0
x
+
3
c) x =
x +2
=
4
6
3(x +2) - x
2
x
- =
d)
10 5 2
1
1
3x -1
e) +
= 2
x x +1 x + x
x
x
= 5+
f) x +
x -5
x -5
7x
x
g) (x +2)(3x +5) = (x +2)(1−2x)
Quinto bloco:
a) x - 6 = 15 - 2x
b) 3- x =
x +3
c) x - x + 3 = 3
d)
x + x +3 =3
e)
x - x +3 = 3
f) 5 x = x +6
Sexto bloco:
f) 2x2 + 7x = 0
a) 4 = 0,125
Terceiro bloco:
b) 7 +7
x
x
a) 6x2 − 10x + 4 = 0
b)
+ 4x + 1 = 0
x-2
= 50
x
c) 8 + 256 = 0
2x
d) 2
4x2
5x
x
-8 ⋅ 2 +12 = 0
x
x
e) 25 +125 = 30 ⋅ 5
c) 3x2 + 2x + 7 = 0
f) 49 +50 ⋅ 7 + 49 = 0
d) x2 – 2x – 2 = 0
g) 2 +2
e) x2 + x – 1 = 0
h) x
x
x
x
5 -x
x -3
=1
=18
2
f) x2 −(π+2)x + 2π = 0
i) (x + 4x + 4)
g) x4 – 13x2 +36 = 0
j) 4 -15
h) x4 – 3x2 – 4 = 0
i) x4 + 5x2 + 4 = 0


j) 8  x -
2
1
1

 - 42  x -  + 45 = 0
x
x

x
x-1
x-2
=1
x-2
=4
Sétimo bloco:
5
4
3
2
a) x +10x +25x +8x +80x +200 = 0
6
5
4
3
2
b) x -5x -13x +65x +36x -180x = 0