Question

(w+3)²=
(8a-3b)²=
(b+3)²=
(x+1)²=​

Answer 1

Respuesta:

(w+3)²=w²+2·w·3+3² = w² + 6w + 9

(8a - 3b)² = (8a)² - 2·8a·3b + (3b)² = 64a² - 48ab + 9b²

(b+3)²=b² + 2·b·3 + 3² = b² +6b + 9

(x+1)² = x² + 2·x·1 + 1² = x² + 2x + 1

Explicación paso a paso: