Question

o quadrado da soma de (3×+2y)

Answer 1

OI

(3x + 2y)²

(3x + 2y)(3x + 2y)

9x² + 6xy + 6xy + 4y²

9x² + 12xy + 4y²

Boas lições

Answer 2

(3x + 2y) . (3x + 2y)

9x^2 + 12xy + 4y^2