Question

resuelve los binomios al cuadrado
(x-7)²
(x+2)²
(2x+5y)²
(a/3-b/2)²
(5x-3)²​

Answer 1

1- (x-7)² = x ² - 14 x + 49.

2- (x+2)² = x² + 4 x + 4.

3- (2x+5y)² = 4 x ² + 20 x y + 25y².

4- (a/3-b/2)² = (2a - 3b)²

÷

36

5- (5x-4)² = 25 x ² - 40 x + 16.