Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
20r271
Evaluate
25355÷(r2×4)
Cancel out the common factor 5
571÷(r2×4)
Use the commutative property to reorder the terms
571÷4r2
Multiply by the reciprocal
571×4r21
Multiply the terms
5×4r271
Solution
20r271
Show Solution
Find the excluded values
r=0
Evaluate
25355÷(r2×4)
To find the excluded values,set the denominators equal to 0
r2×4=0
Use the commutative property to reorder the terms
4r2=0
Rewrite the expression
r2=0
Solution
r=0
Show Solution
Find the roots
r∈∅
Evaluate
25355÷(r2×4)
To find the roots of the expression,set the expression equal to 0
25355÷(r2×4)=0
Find the domain
More Steps
Evaluate
r2×4=0
Use the commutative property to reorder the terms
4r2=0
Rewrite the expression
r2=0
The only way a power can not be 0 is when the base not equals 0
r=0
25355÷(r2×4)=0,r=0
Calculate
25355÷(r2×4)=0
Cancel out the common factor 5
571÷(r2×4)=0
Use the commutative property to reorder the terms
571÷4r2=0
Divide the terms
More Steps
Evaluate
571÷4r2
Multiply by the reciprocal
571×4r21
Multiply the terms
5×4r271
Multiply the terms
20r271
20r271=0
Cross multiply
71=20r2×0
Simplify the equation
71=0
Solution
r∈∅
Show Solution