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).