21r^5-14r^4
factor completly: the numbers after the ^ are exponents
the highest common factor in the numbers is 7
the hightest common factor in the variables is r^4
show me what you get
word problems
on equations and inequalities
To factor the expression 21r^5 - 14r^4 completely, we can look for a common factor among the terms. In this case, both terms have a common factor of 7r^4. By factoring out this common factor, we can rewrite the expression as follows:
21r^5 - 14r^4 = 7r^4(3r - 2)
So, the completely factored form of the expression 21r^5 - 14r^4 is 7r^4(3r - 2).