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:
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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: