Question

Productos notables
(a+b)²

(3×+2y)²

(a-b)²​

Answer 1

Respuesta:

(a+b)²= a²+2ab+b²

(3×+2y)²= 9x²+12xy+4y²

(a-b)²= a²-2ab+b²

Explicación paso a paso:

(a+b)²=(a)²+2 (a)(b)+(b)²

=a²+2ab+b²

(3×+2y)²=(3x)²+2(3x)(2y)+(2y)²

=9x²+12xy+4y²

(a-b)²=a²-2 (a)(b)+b²

=a²-2ab+b²

Saludos