Question

(6f-2)²
(5x + 6)²
porfa lo necesito pasó a pasó​

Answer 1

aplica el producto notable (a+b)² = a² +2ab + b² o (a—b)²= a² –2ab + b²

(6f-2)² = (6f)² - 2 * 6f *2 - 2² = 36f² - 24f- 4

(5x+6)² = 25x² + 60x + 36