Question

c)-3.x2 + x = 0
d).x2 - 3r = 0
e) 2x2 = -4.x​

Answer 1

c) -6x + x = 0

-5x = 0

x = 0

d) 2x = 3r

x = 3r/2

e) 4x = -4x (f)

S = ∅