Question

Binomio al
Trinomio
cuadrado
(20+ 2)² =
(6a + 90)²=
(12a+3)² =
(4a + 5)?=
(3a + 42²=
(a -45)2=
(3x²-6)²=​

Answer 1

(20 + 2)²

20² + 2(20)(2) + 2²

400 + 80 + 4

(6a + 90)²

(6a)² + 2(6a)(90) + 90²

36a² +  1080a + 8100

(12a+3)²

(12a)² + 2(12a)(3) + 3²

144a² + 72a + 9

Eternamente axlxla