" A matemática é o alfabeto com que Deus escreveu o universo". Galileu Galilei
(x+ 1)2 = 1-3x = x2 + 2×1×==x + 1 2 = 1-3x = x2 + 2 x + 1 = 1 -3x==x2 + 2x+ 1-1 + 3x = 0 = x2+ 5x= 0 = x + 5 = 0 == x = 0 - x + 5 = 0 x = 0 ∨ x = -5 R: =-5,0
x = 0 V x = -5
(x+1)^2 = 1-3x (=) x^2 + 2(x+1) + 1^2 = 1-3x(=) x^2 +2x + 1^2 = 1-3x (=) x^2 +2x + 1 = 1-3x(=) x^2 +2x +3x = 1-1 (=) x^2 +5x = 0 (=) x(x +5) = 0 x= 0 V x+5 = 0 x= 0 V x = -5
(x+ 1)2 = 1-3x = x2 + 2×1×=
ResponderEliminar=x + 1 2 = 1-3x = x2 + 2 x + 1 = 1 -3x=
=x2 + 2x+ 1-1 + 3x = 0 = x2+ 5x= 0 = x + 5 = 0 =
= x = 0 - x + 5 = 0 x = 0 ∨ x = -5
R: =-5,0
x = 0 V x = -5
ResponderEliminar(x+1)^2 = 1-3x
ResponderEliminar(=) x^2 + 2(x+1) + 1^2 = 1-3x
(=) x^2 +2x + 1^2 = 1-3x
(=) x^2 +2x + 1 = 1-3x
(=) x^2 +2x +3x = 1-1
(=) x^2 +5x = 0
(=) x(x +5) = 0
x= 0 V x+5 = 0
x= 0 V x = -5