Question

(x+1)²+(x-1)²

Qual a forma reduzida ? pfv é pra hj

Answer 1

(x + 1)² + (x + 1)²
(x² + 2x + 1) + (x² - 2x + 1)
x² + x² + 2x - 2x + 1 + 1
2x² + 2

Answer 2

(X + 1)² + (x - 1)²
(x + 1) (x + 1) + (x - 1) (x - 1)
(x² + x + x + 1) + (x² - x - x + 1)
(x² + 2x + 1) + (x² - 2x + 1)
x² + x² + 2x - 2x + 1 + 1
2x² + 2