Question

resuelve con procedimiento
(2a+b)²=

(m-3n)²=

(-2×+3y)²=

(-a-5)2=​

Answer 1

(2a+b)²

4a² + 4ab + b²

(m-3n)²

m² - 6mn + 9n²

 

(-2x+3y)²

(-2x)² + 2(-2x)(3y) + (3y)²

4x² - 12xy + 9y²

Eternamente axllxa