Respuesta:
d) 30
Explicación paso a paso:
3x²y - 12xy² + 10 - 5x²y + 16xy²
3x²y - 5x²y - 12xy² + 16xy² + 10
-2x²y + 4xy² + 10
Reemplazamos:
-2x²y + 4xy² + 10 = -2(-5)²(-2) + 4(-5)(-2)² + 10
= -2(25)(-2) + 4(-5)(4) + 10
= 100 + (-80) + 10
= 100 - 80 + 10
= 20 + 10
= 30
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Respuesta:
d) 30
Explicación paso a paso:
3x²y - 12xy² + 10 - 5x²y + 16xy²
3x²y - 5x²y - 12xy² + 16xy² + 10
-2x²y + 4xy² + 10
Reemplazamos:
-2x²y + 4xy² + 10 = -2(-5)²(-2) + 4(-5)(-2)² + 10
= -2(25)(-2) + 4(-5)(4) + 10
= 100 + (-80) + 10
= 100 - 80 + 10
= 20 + 10
= 30