How do you simplify #5x^6(2x^4-x^3+7x^2-4x)#?

2 Answers
Jun 4, 2018

#5x^7(2x^3-x^2+7x-4)#

Explanation:

#5x^6(2x^4-x^3+7x^2-4x)#

#5x^6* x(2x^3-x^2+7x-4)#

#5x^7(2x^3-x^2+7x-4)#

Jun 4, 2018

#10x^10-5x^9+35x^8-20x^6#

Explanation:

expanding

#5x^6*2*x^4-5*x^6*x^3+5*x^6*7x^2-5*x^6*4#
combinging likewise Terms

#10x^10-5x^9+35x^8-20x^6#