Question

e) 2x2 - 50 =0
3-Resolva as equações:
a) 4x + 8 = 3x - 5
b) 3a - 4 = a + 1
c) 9y - 11 = -2
d) 5x - 1 = 8x + 5
f) 5x2+6x +1 =0
g) 4x2-12x+ 9 = 0
h) x2 - 9x = 0​

Answer 1

Resposta:

a) = - 13/2

b) a =5/2

c) y = 4/3

d) (a,x) = (13/8, - 1/8)

f) x = - 11/5

g) falso

h) x = 2/9