Question

3c²d⁵-5a²c²+10a⁵c³-3a²b⁹ menos 20c²d⁵-2a²c²-7a⁵c³​

Answer 1

Respuesta:    $3c^3a^5-17c^2d^5-7c^2a^2-3a^2b^9$

Explicación paso a paso:

$=10c^3a^5-7c^3a^5-17c^2d^5-5c^2a^2-2c^2a^2-3a^2b^9$

Agrupar términos semejantes

$=10c^3a^5-7c^3a^5+3c^2d^5-20c^2d^5-5c^2a^2-2c^2a^2-3a^2b^9$

Sumar elementos similares:  $3c^2d^5-20c^2d^5=-17c^2d^5$

$=10c^3a^5-7c^3a^5-17c^2d^5-5c^2a^2-2c^2a^2-3a^2b^9$

Sumar elementos similares:  $-5c^2a^2-2c^2a^2=-7c^2a^2$

$=10c^3a^5-7c^3a^5-17c^2d^5-7c^2a^2-3a^2b^9$

Sumar elementos similares:  $10c^3a^5-7c^3a^5=3c^3a^5$

$=3c^3a^5-17c^2d^5-7c^2a^2-3a^2b^9$

Espero haberte ayudado :D