Question

produtos notaves (A+B) .(A+B). (A+B)

Answer 1

(a+b)(a+b)=(a+b)²=a²+2ab+b²

Answer 2

(a + b) • (a +b ) • (a + b)

(a² + ab + ab + b²) • (a + b)

(a² + 2ab + b² ) • (a + b)

a³ + a²b + 2a²b + 2ab² + ab² + b³