Question

Resolva os produtos notáveis: ​

Answer 1

$(3x + y)^{2} \\ (3x)^{2} + 2 \times 3xy + y^{2} \\ 9x^{2} + 6xy + y^{2}$

(2x+3y)^3

(2x)^3+3(2x)^2.3y+3.2x(3y)^2+(3y)^3

8x^3+36x^2y+54xy^2+27y3

$(5 + x)^{2} \\ {5}^{2} + 2 \times 5x + {x}^{2} \\ 25 + 10x + {x}^{2}$