Question

simplify completly 14x^5y^4 + 21x^3y^2 over 7x^3y

Answer 1

( 14x^5y^4 + 21x^3y^2 ) / ( 7x^3y)
= 7x^3y^2(2x^2+3) /( 7x^3y)
=y(2x^2+3)

Answer 2

not right answer :(

Answer 3

sorry.. made a mistake in the second step!
= 7x^3y^2(2x^2y^2+3) /( 7x^3y)
= y(2x^2y^2+3)
= 2x^2y^3 +3y