Question

Question #af025

Answer 1

`6x^3-17x+10`

Explanation:

As the format used was not very clear I have assumed this is what the expression looks like.

Remove the bracket first and then collect like terms.

`12x^3 -3(2x^3 +4x-1) - 5x +7`

=`12x^3 -6x^3 -12x +3 -5x +7" notice the sign changes"`

=`6x^3-17x+10`