Question

(a-3)x^2-3bx+(6-2a)x^2+2c-a

Answer 1

Respuesta:

=-ax^2+3x^2-3bx-a+2c

Explicación paso a paso:

\left(a-3\right)x^2-3bx+\left(6-2a\right)x^2+2c-a

=x^2\left(a-3\right)-3bx+x^2\left(6-2a\right)+2c-a

=ax^2-3x^2-3bx+\left(6-2a\right)x^2+2c-a

=ax^2-3x^2-3bx+6x^2-2ax^2+2c-a

=-ax^2+3x^2-3bx-a+2c