Respuesta:
(-2+5x)² = 4-20x+25x²
Explicación paso a paso:
Formula de binomio al cuadrado:
(a ± b)² = a² ± 2ab + b²
(-2+5x)² =
Resolvamos:
(-2+5x)² = (-2)² + 2(-2)(5x) + (5x)²
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Respuesta:
(-2+5x)² = 4-20x+25x²
Explicación paso a paso:
Formula de binomio al cuadrado:
(a ± b)² = a² ± 2ab + b²
(-2+5x)² =
Resolvamos:
(-2+5x)² = (-2)² + 2(-2)(5x) + (5x)²
(-2+5x)² = 4-20x+25x²