Question

resolva por fatoração
a) x • ( x + 1 ) = 0

b) 2x • ( x - 5 ) = 0

c) ( X + 3 ) • ( x - 1 ) = 0

d) ( x - 6) • ( 4x - 8) = 0

Answer 1

a) x • ( x + 1 ) = 0 ==> x2 - x = 0

b) 2x • ( x - 5 ) = 0 ==> ^2x2 - 10x = 0

c) ( X + 3 ) • ( x - 1 ) = 0 ==> x2 + 2x - 3 = 0

d) ( x - 6) • ( 4x - 8) = 0=> 4x2 - 8x - 24x + 48 = 0 => 4x2 - 32x + 48 = 0