Resposta :
4x² - 1- x + 1+x
(1+x)(1-x) 1+x 1-x
4x^2 - (1-x)(1-x) + (1+x)(x+1)
(x+1)(x-1)
4x^2 -(1-2x+x^2) + 1 + 2x + x^2
(x+1)(x-1)
4x^2 - 1+ 2x - x^2 + 1 + 2x + x^2
(x+1)(x-1)
4x^2 +4x
(x+1)(x-1)
4x(x +1) ==> 4x
(x+1)(x-1) x - 1
4X²/1-X² - 1-X/1+X + 1+X/1-X
O mmc= 1-x² = ( 1-x) (1+x)
4x² ( 1+x) - ( 1-x)( 1+x) +( 1+x)( 1+x)
( 1-x) (1+x)
4x² +4x³ - (1-x²) + 1+2x +x²
( 1-x) (1+x)
4x² +4x³ -1 +x² +1 + 2x + x²
( 1-x) (1+x)
4x³ + 6x² +2x
( 1-x) (1+x)
O mmc= 1-x² = ( 1-x) (1+x)
4x² ( 1+x) - ( 1-x)( 1+x) +( 1+x)( 1+x)
( 1-x) (1+x)
4x² +4x³ - (1-x²) + 1+2x +x²
( 1-x) (1+x)
4x² +4x³ -1 +x² +1 + 2x + x²
( 1-x) (1+x)
4x³ + 6x² +2x
( 1-x) (1+x)